1555454920

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{101531}}^1$

素因数の和:101925

約数の個数: 32

約数和(自身を含む): 3508945920

約数和(自身を除く): 1953491000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 7660, 15320, 101531, 203062, 406124, 507655, 812248, 1015310, 2030620, 4061240, 38886373, 77772746, 155545492, 194431865, 311090984, 388863730, 777727460, 1555454920]

約数ペア:

[(1, 1555454920), (2, 777727460), (4, 388863730), (5, 311090984), (8, 194431865), (10, 155545492), (20, 77772746), (40, 38886373), (383, 4061240), (766, 2030620), (1532, 1015310), (1915, 812248), (3064, 507655), (3830, 406124), (7660, 203062), (15320, 101531)]