8672560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 22498560

約数和(自身を除く): 13826000

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, 260, 269, 310, 403, 496, 520, 538, 620, 806, 1040, 1076, 1240, 1345, 1612, 2015, 2152, 2480, 2690, 3224, 3497, 4030, 4304, 5380, 6448, 6994, 8060, 8339, 10760, 13988, 16120, 16678, 17485, 21520, 27976, 32240, 33356, 34970, 41695, 55952, 66712, 69940, 83390, 108407, 133424, 139880, 166780, 216814, 279760, 333560, 433628, 542035, 667120, 867256, 1084070, 1734512, 2168140, 4336280, 8672560]

約数ペア:

[(1, 8672560), (2, 4336280), (4, 2168140), (5, 1734512), (8, 1084070), (10, 867256), (13, 667120), (16, 542035), (20, 433628), (26, 333560), (31, 279760), (40, 216814), (52, 166780), (62, 139880), (65, 133424), (80, 108407), (104, 83390), (124, 69940), (130, 66712), (155, 55952), (208, 41695), (248, 34970), (260, 33356), (269, 32240), (310, 27976), (403, 21520), (496, 17485), (520, 16678), (538, 16120), (620, 13988), (806, 10760), (1040, 8339), (1076, 8060), (1240, 6994), (1345, 6448), (1612, 5380), (2015, 4304), (2152, 4030), (2480, 3497), (2690, 3224)]