16871440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6803}}^1$

素因数の和:6847

約数の個数: 40

約数和(自身を含む): 40497408

約数和(自身を除く): 23625968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6803, 13606, 27212, 34015, 54424, 68030, 108848, 136060, 210893, 272120, 421786, 544240, 843572, 1054465, 1687144, 2108930, 3374288, 4217860, 8435720, 16871440]

約数ペア:

[(1, 16871440), (2, 8435720), (4, 4217860), (5, 3374288), (8, 2108930), (10, 1687144), (16, 1054465), (20, 843572), (31, 544240), (40, 421786), (62, 272120), (80, 210893), (124, 136060), (155, 108848), (248, 68030), (310, 54424), (496, 34015), (620, 27212), (1240, 13606), (2480, 6803)]