56290420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 122992128

約数和(自身を除く): 66701708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 557, 620, 652, 815, 1114, 1630, 2228, 2785, 3260, 5053, 5570, 10106, 11140, 17267, 20212, 25265, 34534, 50530, 69068, 86335, 90791, 101060, 172670, 181582, 345340, 363164, 453955, 907910, 1815820, 2814521, 5629042, 11258084, 14072605, 28145210, 56290420]

約数ペア:

[(1, 56290420), (2, 28145210), (4, 14072605), (5, 11258084), (10, 5629042), (20, 2814521), (31, 1815820), (62, 907910), (124, 453955), (155, 363164), (163, 345340), (310, 181582), (326, 172670), (557, 101060), (620, 90791), (652, 86335), (815, 69068), (1114, 50530), (1630, 34534), (2228, 25265), (2785, 20212), (3260, 17267), (5053, 11140), (5570, 10106)]