15558920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29921}}^1$

素因数の和:29945

約数の個数: 32

約数和(自身を含む): 37701720

約数和(自身を除く): 22142800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 29921, 59842, 119684, 149605, 239368, 299210, 388973, 598420, 777946, 1196840, 1555892, 1944865, 3111784, 3889730, 7779460, 15558920]

約数ペア:

[(1, 15558920), (2, 7779460), (4, 3889730), (5, 3111784), (8, 1944865), (10, 1555892), (13, 1196840), (20, 777946), (26, 598420), (40, 388973), (52, 299210), (65, 239368), (104, 149605), (130, 119684), (260, 59842), (520, 29921)]