40666420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 89123328

約数和(自身を除く): 48456908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 535, 613, 620, 1070, 1226, 2140, 2452, 3065, 3317, 6130, 6634, 12260, 13268, 16585, 19003, 33170, 38006, 65591, 66340, 76012, 95015, 131182, 190030, 262364, 327955, 380060, 655910, 1311820, 2033321, 4066642, 8133284, 10166605, 20333210, 40666420]

約数ペア:

[(1, 40666420), (2, 20333210), (4, 10166605), (5, 8133284), (10, 4066642), (20, 2033321), (31, 1311820), (62, 655910), (107, 380060), (124, 327955), (155, 262364), (214, 190030), (310, 131182), (428, 95015), (535, 76012), (613, 66340), (620, 65591), (1070, 38006), (1226, 33170), (2140, 19003), (2452, 16585), (3065, 13268), (3317, 12260), (6130, 6634)]