88440040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3209}}^1$

素因数の和:3286

約数の個数: 64

約数和(自身を含む): 218408400

約数和(自身を除く): 129968360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3209, 3445, 5512, 6418, 6890, 12836, 13780, 16045, 25672, 27560, 32090, 41717, 64180, 83434, 128360, 166868, 170077, 208585, 333736, 340154, 417170, 680308, 834340, 850385, 1360616, 1668680, 1700770, 2211001, 3401540, 4422002, 6803080, 8844004, 11055005, 17688008, 22110010, 44220020, 88440040]

約数ペア:

[(1, 88440040), (2, 44220020), (4, 22110010), (5, 17688008), (8, 11055005), (10, 8844004), (13, 6803080), (20, 4422002), (26, 3401540), (40, 2211001), (52, 1700770), (53, 1668680), (65, 1360616), (104, 850385), (106, 834340), (130, 680308), (212, 417170), (260, 340154), (265, 333736), (424, 208585), (520, 170077), (530, 166868), (689, 128360), (1060, 83434), (1378, 64180), (2120, 41717), (2756, 32090), (3209, 27560), (3445, 25672), (5512, 16045), (6418, 13780), (6890, 12836)]