40521460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289439}}^1$

素因数の和:289455

約数の個数: 24

約数和(自身を含む): 97251840

約数和(自身を除く): 56730380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289439, 578878, 1157756, 1447195, 2026073, 2894390, 4052146, 5788780, 8104292, 10130365, 20260730, 40521460]

約数ペア:

[(1, 40521460), (2, 20260730), (4, 10130365), (5, 8104292), (7, 5788780), (10, 4052146), (14, 2894390), (20, 2026073), (28, 1447195), (35, 1157756), (70, 578878), (140, 289439)]