25947480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16633}}^1$

素因数の和:16660

約数の個数: 64

約数和(自身を含む): 83835360

約数和(自身を除く): 57887880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16633, 33266, 49899, 66532, 83165, 99798, 133064, 166330, 199596, 216229, 249495, 332660, 399192, 432458, 498990, 648687, 665320, 864916, 997980, 1081145, 1297374, 1729832, 1995960, 2162290, 2594748, 3243435, 4324580, 5189496, 6486870, 8649160, 12973740, 25947480]

約数ペア:

[(1, 25947480), (2, 12973740), (3, 8649160), (4, 6486870), (5, 5189496), (6, 4324580), (8, 3243435), (10, 2594748), (12, 2162290), (13, 1995960), (15, 1729832), (20, 1297374), (24, 1081145), (26, 997980), (30, 864916), (39, 665320), (40, 648687), (52, 498990), (60, 432458), (65, 399192), (78, 332660), (104, 249495), (120, 216229), (130, 199596), (156, 166330), (195, 133064), (260, 99798), (312, 83165), (390, 66532), (520, 49899), (780, 33266), (1560, 16633)]