56245720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:724

約数の個数: 64

約数和(自身を含む): 132153120

約数和(自身を除く): 75907400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 617, 860, 1060, 1234, 1720, 2120, 2279, 2468, 3085, 4558, 4936, 6170, 9116, 11395, 12340, 18232, 22790, 24680, 26531, 32701, 45580, 53062, 65402, 91160, 106124, 130804, 132655, 163505, 212248, 261608, 265310, 327010, 530620, 654020, 1061240, 1308040, 1406143, 2812286, 5624572, 7030715, 11249144, 14061430, 28122860, 56245720]

約数ペア:

[(1, 56245720), (2, 28122860), (4, 14061430), (5, 11249144), (8, 7030715), (10, 5624572), (20, 2812286), (40, 1406143), (43, 1308040), (53, 1061240), (86, 654020), (106, 530620), (172, 327010), (212, 265310), (215, 261608), (265, 212248), (344, 163505), (424, 132655), (430, 130804), (530, 106124), (617, 91160), (860, 65402), (1060, 53062), (1234, 45580), (1720, 32701), (2120, 26531), (2279, 24680), (2468, 22790), (3085, 18232), (4558, 12340), (4936, 11395), (6170, 9116)]