55534040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 129686400

約数和(自身を除く): 74152360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 157, 185, 239, 296, 314, 370, 478, 628, 740, 785, 956, 1195, 1256, 1480, 1570, 1912, 2390, 3140, 4780, 5809, 6280, 8843, 9560, 11618, 17686, 23236, 29045, 35372, 37523, 44215, 46472, 58090, 70744, 75046, 88430, 116180, 150092, 176860, 187615, 232360, 300184, 353720, 375230, 750460, 1388351, 1500920, 2776702, 5553404, 6941755, 11106808, 13883510, 27767020, 55534040]

約数ペア:

[(1, 55534040), (2, 27767020), (4, 13883510), (5, 11106808), (8, 6941755), (10, 5553404), (20, 2776702), (37, 1500920), (40, 1388351), (74, 750460), (148, 375230), (157, 353720), (185, 300184), (239, 232360), (296, 187615), (314, 176860), (370, 150092), (478, 116180), (628, 88430), (740, 75046), (785, 70744), (956, 58090), (1195, 46472), (1256, 44215), (1480, 37523), (1570, 35372), (1912, 29045), (2390, 23236), (3140, 17686), (4780, 11618), (5809, 9560), (6280, 8843)]