12851980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 16500980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1091, 1178, 2182, 2356, 2945, 4364, 5455, 5890, 10910, 11780, 20729, 21820, 33821, 41458, 67642, 82916, 103645, 135284, 169105, 207290, 338210, 414580, 642599, 676420, 1285198, 2570396, 3212995, 6425990, 12851980]

約数ペア:

[(1, 12851980), (2, 6425990), (4, 3212995), (5, 2570396), (10, 1285198), (19, 676420), (20, 642599), (31, 414580), (38, 338210), (62, 207290), (76, 169105), (95, 135284), (124, 103645), (155, 82916), (190, 67642), (310, 41458), (380, 33821), (589, 21820), (620, 20729), (1091, 11780), (1178, 10910), (2182, 5890), (2356, 5455), (2945, 4364)]