25910040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1021

約数の個数: 128

約数和(自身を含む): 88724160

約数和(自身を除く): 62814120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 977, 1020, 1105, 1326, 1560, 1768, 1954, 2040, 2210, 2652, 2931, 3315, 3908, 4420, 4885, 5304, 5862, 6630, 7816, 8840, 9770, 11724, 12701, 13260, 14655, 16609, 19540, 23448, 25402, 26520, 29310, 33218, 38103, 39080, 49827, 50804, 58620, 63505, 66436, 76206, 83045, 99654, 101608, 117240, 127010, 132872, 152412, 166090, 190515, 199308, 215917, 249135, 254020, 304824, 332180, 381030, 398616, 431834, 498270, 508040, 647751, 664360, 762060, 863668, 996540, 1079585, 1295502, 1524120, 1727336, 1993080, 2159170, 2591004, 3238755, 4318340, 5182008, 6477510, 8636680, 12955020, 25910040]

約数ペア:

[(1, 25910040), (2, 12955020), (3, 8636680), (4, 6477510), (5, 5182008), (6, 4318340), (8, 3238755), (10, 2591004), (12, 2159170), (13, 1993080), (15, 1727336), (17, 1524120), (20, 1295502), (24, 1079585), (26, 996540), (30, 863668), (34, 762060), (39, 664360), (40, 647751), (51, 508040), (52, 498270), (60, 431834), (65, 398616), (68, 381030), (78, 332180), (85, 304824), (102, 254020), (104, 249135), (120, 215917), (130, 199308), (136, 190515), (156, 166090), (170, 152412), (195, 132872), (204, 127010), (221, 117240), (255, 101608), (260, 99654), (312, 83045), (340, 76206), (390, 66436), (408, 63505), (442, 58620), (510, 50804), (520, 49827), (663, 39080), (680, 38103), (780, 33218), (884, 29310), (977, 26520), (1020, 25402), (1105, 23448), (1326, 19540), (1560, 16609), (1768, 14655), (1954, 13260), (2040, 12701), (2210, 11724), (2652, 9770), (2931, 8840), (3315, 7816), (3908, 6630), (4420, 5862), (4885, 5304)]