2485557680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1002241}}^1$

素因数の和:1002285

約数の個数: 40

約数和(自身を含む): 5965344384

約数和(自身を除く): 3479786704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 1002241, 2004482, 4008964, 5011205, 8017928, 10022410, 16035856, 20044820, 31069471, 40089640, 62138942, 80179280, 124277884, 155347355, 248555768, 310694710, 497111536, 621389420, 1242778840, 2485557680]

約数ペア:

[(1, 2485557680), (2, 1242778840), (4, 621389420), (5, 497111536), (8, 310694710), (10, 248555768), (16, 155347355), (20, 124277884), (31, 80179280), (40, 62138942), (62, 40089640), (80, 31069471), (124, 20044820), (155, 16035856), (248, 10022410), (310, 8017928), (496, 5011205), (620, 4008964), (1240, 2004482), (2480, 1002241)]