39988260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:794

約数の個数: 144

約数和(自身を含む): 136491264

約数和(自身を除く): 96503004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 585, 598, 690, 743, 780, 828, 897, 1035, 1170, 1196, 1380, 1486, 1495, 1794, 2070, 2229, 2340, 2691, 2972, 2990, 3588, 3715, 4140, 4458, 4485, 5382, 5980, 6687, 7430, 8916, 8970, 9659, 10764, 11145, 13374, 13455, 14860, 17089, 17940, 19318, 22290, 26748, 26910, 28977, 33435, 34178, 38636, 44580, 48295, 51267, 53820, 57954, 66870, 68356, 85445, 86931, 96590, 102534, 115908, 133740, 144885, 153801, 170890, 173862, 193180, 205068, 222157, 256335, 289770, 307602, 341780, 347724, 434655, 444314, 512670, 579540, 615204, 666471, 769005, 869310, 888628, 1025340, 1110785, 1332942, 1538010, 1738620, 1999413, 2221570, 2665884, 3076020, 3332355, 3998826, 4443140, 6664710, 7997652, 9997065, 13329420, 19994130, 39988260]

約数ペア:

[(1, 39988260), (2, 19994130), (3, 13329420), (4, 9997065), (5, 7997652), (6, 6664710), (9, 4443140), (10, 3998826), (12, 3332355), (13, 3076020), (15, 2665884), (18, 2221570), (20, 1999413), (23, 1738620), (26, 1538010), (30, 1332942), (36, 1110785), (39, 1025340), (45, 888628), (46, 869310), (52, 769005), (60, 666471), (65, 615204), (69, 579540), (78, 512670), (90, 444314), (92, 434655), (115, 347724), (117, 341780), (130, 307602), (138, 289770), (156, 256335), (180, 222157), (195, 205068), (207, 193180), (230, 173862), (234, 170890), (260, 153801), (276, 144885), (299, 133740), (345, 115908), (390, 102534), (414, 96590), (460, 86931), (468, 85445), (585, 68356), (598, 66870), (690, 57954), (743, 53820), (780, 51267), (828, 48295), (897, 44580), (1035, 38636), (1170, 34178), (1196, 33435), (1380, 28977), (1486, 26910), (1495, 26748), (1794, 22290), (2070, 19318), (2229, 17940), (2340, 17089), (2691, 14860), (2972, 13455), (2990, 13374), (3588, 11145), (3715, 10764), (4140, 9659), (4458, 8970), (4485, 8916), (5382, 7430), (5980, 6687)]