42687560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26029}}^1$

素因数の和:26081

約数の個数: 32

約数和(自身を含む): 98393400

約数和(自身を除く): 55705840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 26029, 52058, 104116, 130145, 208232, 260290, 520580, 1041160, 1067189, 2134378, 4268756, 5335945, 8537512, 10671890, 21343780, 42687560]

約数ペア:

[(1, 42687560), (2, 21343780), (4, 10671890), (5, 8537512), (8, 5335945), (10, 4268756), (20, 2134378), (40, 1067189), (41, 1041160), (82, 520580), (164, 260290), (205, 208232), (328, 130145), (410, 104116), (820, 52058), (1640, 26029)]