2000955280

素因数分解:

$2^4\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{18217}}^1$

素因数の和:19603

約数の個数: 40

約数和(自身を含む): 4655864952

約数和(自身を除く): 2654909672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1373, 2746, 5492, 6865, 10984, 13730, 18217, 21968, 27460, 36434, 54920, 72868, 91085, 109840, 145736, 182170, 291472, 364340, 728680, 1457360, 25011941, 50023882, 100047764, 125059705, 200095528, 250119410, 400191056, 500238820, 1000477640, 2000955280]

約数ペア:

[(1, 2000955280), (2, 1000477640), (4, 500238820), (5, 400191056), (8, 250119410), (10, 200095528), (16, 125059705), (20, 100047764), (40, 50023882), (80, 25011941), (1373, 1457360), (2746, 728680), (5492, 364340), (6865, 291472), (10984, 182170), (13730, 145736), (18217, 109840), (21968, 91085), (27460, 72868), (36434, 54920)]