25703960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 37195240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1091, 1178, 1240, 2182, 2356, 2945, 4364, 4712, 5455, 5890, 8728, 10910, 11780, 20729, 21820, 23560, 33821, 41458, 43640, 67642, 82916, 103645, 135284, 165832, 169105, 207290, 270568, 338210, 414580, 642599, 676420, 829160, 1285198, 1352840, 2570396, 3212995, 5140792, 6425990, 12851980, 25703960]

約数ペア:

[(1, 25703960), (2, 12851980), (4, 6425990), (5, 5140792), (8, 3212995), (10, 2570396), (19, 1352840), (20, 1285198), (31, 829160), (38, 676420), (40, 642599), (62, 414580), (76, 338210), (95, 270568), (124, 207290), (152, 169105), (155, 165832), (190, 135284), (248, 103645), (310, 82916), (380, 67642), (589, 43640), (620, 41458), (760, 33821), (1091, 23560), (1178, 21820), (1240, 20729), (2182, 11780), (2356, 10910), (2945, 8728), (4364, 5890), (4712, 5455)]