10820240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4363}}^1$

素因数の和:4407

約数の個数: 40

約数和(自身を含む): 25974528

約数和(自身を除く): 15154288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4363, 8726, 17452, 21815, 34904, 43630, 69808, 87260, 135253, 174520, 270506, 349040, 541012, 676265, 1082024, 1352530, 2164048, 2705060, 5410120, 10820240]

約数ペア:

[(1, 10820240), (2, 5410120), (4, 2705060), (5, 2164048), (8, 1352530), (10, 1082024), (16, 676265), (20, 541012), (31, 349040), (40, 270506), (62, 174520), (80, 135253), (124, 87260), (155, 69808), (248, 43630), (310, 34904), (496, 21815), (620, 17452), (1240, 8726), (2480, 4363)]