4054180

素因数分解:

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

素因数の和:556

約数の個数: 48

約数和(自身を含む): 9483264

約数和(自身を除く): 5429084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 503, 620, 806, 1006, 1612, 2012, 2015, 2515, 4030, 5030, 6539, 8060, 10060, 13078, 15593, 26156, 31186, 32695, 62372, 65390, 77965, 130780, 155930, 202709, 311860, 405418, 810836, 1013545, 2027090, 4054180]

約数ペア:

[(1, 4054180), (2, 2027090), (4, 1013545), (5, 810836), (10, 405418), (13, 311860), (20, 202709), (26, 155930), (31, 130780), (52, 77965), (62, 65390), (65, 62372), (124, 32695), (130, 31186), (155, 26156), (260, 15593), (310, 13078), (403, 10060), (503, 8060), (620, 6539), (806, 5030), (1006, 4030), (1612, 2515), (2012, 2015)]