8312960

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 20563200

約数和(自身を除く): 12250240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 419, 496, 620, 640, 838, 992, 1240, 1676, 1984, 2095, 2480, 3352, 3968, 4190, 4960, 6704, 8380, 9920, 12989, 13408, 16760, 19840, 25978, 26816, 33520, 51956, 53632, 64945, 67040, 103912, 129890, 134080, 207824, 259780, 268160, 415648, 519560, 831296, 1039120, 1662592, 2078240, 4156480, 8312960]

約数ペア:

[(1, 8312960), (2, 4156480), (4, 2078240), (5, 1662592), (8, 1039120), (10, 831296), (16, 519560), (20, 415648), (31, 268160), (32, 259780), (40, 207824), (62, 134080), (64, 129890), (80, 103912), (124, 67040), (128, 64945), (155, 53632), (160, 51956), (248, 33520), (310, 26816), (320, 25978), (419, 19840), (496, 16760), (620, 13408), (640, 12989), (838, 9920), (992, 8380), (1240, 6704), (1676, 4960), (1984, 4190), (2095, 3968), (2480, 3352)]