8285680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 21498624

約数和(自身を除く): 13212944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 257, 260, 310, 403, 496, 514, 520, 620, 806, 1028, 1040, 1240, 1285, 1612, 2015, 2056, 2480, 2570, 3224, 3341, 4030, 4112, 5140, 6448, 6682, 7967, 8060, 10280, 13364, 15934, 16120, 16705, 20560, 26728, 31868, 32240, 33410, 39835, 53456, 63736, 66820, 79670, 103571, 127472, 133640, 159340, 207142, 267280, 318680, 414284, 517855, 637360, 828568, 1035710, 1657136, 2071420, 4142840, 8285680]

約数ペア:

[(1, 8285680), (2, 4142840), (4, 2071420), (5, 1657136), (8, 1035710), (10, 828568), (13, 637360), (16, 517855), (20, 414284), (26, 318680), (31, 267280), (40, 207142), (52, 159340), (62, 133640), (65, 127472), (80, 103571), (104, 79670), (124, 66820), (130, 63736), (155, 53456), (208, 39835), (248, 33410), (257, 32240), (260, 31868), (310, 26728), (403, 20560), (496, 16705), (514, 16120), (520, 15934), (620, 13364), (806, 10280), (1028, 8060), (1040, 7967), (1240, 6682), (1285, 6448), (1612, 5140), (2015, 4112), (2056, 4030), (2480, 3341), (2570, 3224)]