126855160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 294814080

約数和(自身を除く): 167958920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 131, 172, 215, 262, 344, 430, 524, 563, 655, 860, 1048, 1126, 1310, 1720, 2252, 2620, 2815, 4504, 5240, 5630, 5633, 11260, 11266, 22520, 22532, 24209, 28165, 45064, 48418, 56330, 73753, 96836, 112660, 121045, 147506, 193672, 225320, 242090, 295012, 368765, 484180, 590024, 737530, 968360, 1475060, 2950120, 3171379, 6342758, 12685516, 15856895, 25371032, 31713790, 63427580, 126855160]

約数ペア:

[(1, 126855160), (2, 63427580), (4, 31713790), (5, 25371032), (8, 15856895), (10, 12685516), (20, 6342758), (40, 3171379), (43, 2950120), (86, 1475060), (131, 968360), (172, 737530), (215, 590024), (262, 484180), (344, 368765), (430, 295012), (524, 242090), (563, 225320), (655, 193672), (860, 147506), (1048, 121045), (1126, 112660), (1310, 96836), (1720, 73753), (2252, 56330), (2620, 48418), (2815, 45064), (4504, 28165), (5240, 24209), (5630, 22532), (5633, 22520), (11260, 11266)]