54529240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 130255200

約数和(自身を除く): 75725960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 157, 190, 314, 380, 457, 628, 760, 785, 914, 1256, 1570, 1828, 2285, 2983, 3140, 3656, 4570, 5966, 6280, 8683, 9140, 11932, 14915, 17366, 18280, 23864, 29830, 34732, 43415, 59660, 69464, 71749, 86830, 119320, 143498, 173660, 286996, 347320, 358745, 573992, 717490, 1363231, 1434980, 2726462, 2869960, 5452924, 6816155, 10905848, 13632310, 27264620, 54529240]

約数ペア:

[(1, 54529240), (2, 27264620), (4, 13632310), (5, 10905848), (8, 6816155), (10, 5452924), (19, 2869960), (20, 2726462), (38, 1434980), (40, 1363231), (76, 717490), (95, 573992), (152, 358745), (157, 347320), (190, 286996), (314, 173660), (380, 143498), (457, 119320), (628, 86830), (760, 71749), (785, 69464), (914, 59660), (1256, 43415), (1570, 34732), (1828, 29830), (2285, 23864), (2983, 18280), (3140, 17366), (3656, 14915), (4570, 11932), (5966, 9140), (6280, 8683)]