88407280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{503}}^1$

素因数の和:555

約数の個数: 80

約数和(自身を含む): 223110720

約数和(自身を除く): 134703440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 503, 520, 676, 845, 1006, 1040, 1352, 1690, 2012, 2197, 2515, 2704, 3380, 4024, 4394, 5030, 6539, 6760, 8048, 8788, 10060, 10985, 13078, 13520, 17576, 20120, 21970, 26156, 32695, 35152, 40240, 43940, 52312, 65390, 85007, 87880, 104624, 130780, 170014, 175760, 261560, 340028, 425035, 523120, 680056, 850070, 1105091, 1360112, 1700140, 2210182, 3400280, 4420364, 5525455, 6800560, 8840728, 11050910, 17681456, 22101820, 44203640, 88407280]

約数ペア:

[(1, 88407280), (2, 44203640), (4, 22101820), (5, 17681456), (8, 11050910), (10, 8840728), (13, 6800560), (16, 5525455), (20, 4420364), (26, 3400280), (40, 2210182), (52, 1700140), (65, 1360112), (80, 1105091), (104, 850070), (130, 680056), (169, 523120), (208, 425035), (260, 340028), (338, 261560), (503, 175760), (520, 170014), (676, 130780), (845, 104624), (1006, 87880), (1040, 85007), (1352, 65390), (1690, 52312), (2012, 43940), (2197, 40240), (2515, 35152), (2704, 32695), (3380, 26156), (4024, 21970), (4394, 20120), (5030, 17576), (6539, 13520), (6760, 13078), (8048, 10985), (8788, 10060)]