8352640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 20661120

約数和(自身を除く): 12308480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 421, 496, 620, 640, 842, 992, 1240, 1684, 1984, 2105, 2480, 3368, 3968, 4210, 4960, 6736, 8420, 9920, 13051, 13472, 16840, 19840, 26102, 26944, 33680, 52204, 53888, 65255, 67360, 104408, 130510, 134720, 208816, 261020, 269440, 417632, 522040, 835264, 1044080, 1670528, 2088160, 4176320, 8352640]

約数ペア:

[(1, 8352640), (2, 4176320), (4, 2088160), (5, 1670528), (8, 1044080), (10, 835264), (16, 522040), (20, 417632), (31, 269440), (32, 261020), (40, 208816), (62, 134720), (64, 130510), (80, 104408), (124, 67360), (128, 65255), (155, 53888), (160, 52204), (248, 33680), (310, 26944), (320, 26102), (421, 19840), (496, 16840), (620, 13472), (640, 13051), (842, 9920), (992, 8420), (1240, 6736), (1684, 4960), (1984, 4210), (2105, 3968), (2480, 3368)]