8108360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 20321280

約数和(自身を除く): 12212920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 503, 520, 620, 806, 1006, 1240, 1612, 2012, 2015, 2515, 3224, 4024, 4030, 5030, 6539, 8060, 10060, 13078, 15593, 16120, 20120, 26156, 31186, 32695, 52312, 62372, 65390, 77965, 124744, 130780, 155930, 202709, 261560, 311860, 405418, 623720, 810836, 1013545, 1621672, 2027090, 4054180, 8108360]

約数ペア:

[(1, 8108360), (2, 4054180), (4, 2027090), (5, 1621672), (8, 1013545), (10, 810836), (13, 623720), (20, 405418), (26, 311860), (31, 261560), (40, 202709), (52, 155930), (62, 130780), (65, 124744), (104, 77965), (124, 65390), (130, 62372), (155, 52312), (248, 32695), (260, 31186), (310, 26156), (403, 20120), (503, 16120), (520, 15593), (620, 13078), (806, 10060), (1006, 8060), (1240, 6539), (1612, 5030), (2012, 4030), (2015, 4024), (2515, 3224)]