3278560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 8007552

約数和(自身を除く): 4728992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 661, 992, 1240, 1322, 2480, 2644, 3305, 4960, 5288, 6610, 10576, 13220, 20491, 21152, 26440, 40982, 52880, 81964, 102455, 105760, 163928, 204910, 327856, 409820, 655712, 819640, 1639280, 3278560]

約数ペア:

[(1, 3278560), (2, 1639280), (4, 819640), (5, 655712), (8, 409820), (10, 327856), (16, 204910), (20, 163928), (31, 105760), (32, 102455), (40, 81964), (62, 52880), (80, 40982), (124, 26440), (155, 21152), (160, 20491), (248, 13220), (310, 10576), (496, 6610), (620, 5288), (661, 4960), (992, 3305), (1240, 2644), (1322, 2480)]