40295120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4621}}^1$

素因数の和:4743

約数の個数: 40

約数和(自身を含む): 94566120

約数和(自身を除く): 54271000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4621, 8720, 9242, 18484, 23105, 36968, 46210, 73936, 92420, 184840, 369680, 503689, 1007378, 2014756, 2518445, 4029512, 5036890, 8059024, 10073780, 20147560, 40295120]

約数ペア:

[(1, 40295120), (2, 20147560), (4, 10073780), (5, 8059024), (8, 5036890), (10, 4029512), (16, 2518445), (20, 2014756), (40, 1007378), (80, 503689), (109, 369680), (218, 184840), (436, 92420), (545, 73936), (872, 46210), (1090, 36968), (1744, 23105), (2180, 18484), (4360, 9242), (4621, 8720)]