15975440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15361}}^1$

素因数の和:15387

約数の個数: 40

約数和(自身を含む): 40002648

約数和(自身を除く): 24027208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15361, 30722, 61444, 76805, 122888, 153610, 199693, 245776, 307220, 399386, 614440, 798772, 998465, 1228880, 1597544, 1996930, 3195088, 3993860, 7987720, 15975440]

約数ペア:

[(1, 15975440), (2, 7987720), (4, 3993860), (5, 3195088), (8, 1996930), (10, 1597544), (13, 1228880), (16, 998465), (20, 798772), (26, 614440), (40, 399386), (52, 307220), (65, 245776), (80, 199693), (104, 153610), (130, 122888), (208, 76805), (260, 61444), (520, 30722), (1040, 15361)]