254527360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12829}}^1$

素因数の和:12879

約数の個数: 64

約数和(自身を含む): 628156800

約数和(自身を除く): 373629440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 12829, 19840, 25658, 51316, 64145, 102632, 128290, 205264, 256580, 397699, 410528, 513160, 795398, 821056, 1026320, 1590796, 1642112, 1988495, 2052640, 3181592, 3976990, 4105280, 6363184, 7953980, 8210560, 12726368, 15907960, 25452736, 31815920, 50905472, 63631840, 127263680, 254527360]

約数ペア:

[(1, 254527360), (2, 127263680), (4, 63631840), (5, 50905472), (8, 31815920), (10, 25452736), (16, 15907960), (20, 12726368), (31, 8210560), (32, 7953980), (40, 6363184), (62, 4105280), (64, 3976990), (80, 3181592), (124, 2052640), (128, 1988495), (155, 1642112), (160, 1590796), (248, 1026320), (310, 821056), (320, 795398), (496, 513160), (620, 410528), (640, 397699), (992, 256580), (1240, 205264), (1984, 128290), (2480, 102632), (3968, 64145), (4960, 51316), (9920, 25658), (12829, 19840)]