12960048400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2492317}}^1$

素因数の和:2492348

約数の個数: 60

約数和(自身を含む): 33531646372

約数和(自身を除く): 20571597972

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 2492317, 4984634, 9969268, 12461585, 19938536, 24923170, 32400121, 39877072, 49846340, 62307925, 64800242, 99692680, 124615850, 129600484, 162000605, 199385360, 249231700, 259200968, 324001210, 498463400, 518401936, 648002420, 810003025, 996926800, 1296004840, 1620006050, 2592009680, 3240012100, 6480024200, 12960048400]

約数ペア:

[(1, 12960048400), (2, 6480024200), (4, 3240012100), (5, 2592009680), (8, 1620006050), (10, 1296004840), (13, 996926800), (16, 810003025), (20, 648002420), (25, 518401936), (26, 498463400), (40, 324001210), (50, 259200968), (52, 249231700), (65, 199385360), (80, 162000605), (100, 129600484), (104, 124615850), (130, 99692680), (200, 64800242), (208, 62307925), (260, 49846340), (325, 39877072), (400, 32400121), (520, 24923170), (650, 19938536), (1040, 12461585), (1300, 9969268), (2600, 4984634), (5200, 2492317)]