1247440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 2999808

約数和(自身を除く): 1752368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 503, 620, 1006, 1240, 2012, 2480, 2515, 4024, 5030, 8048, 10060, 15593, 20120, 31186, 40240, 62372, 77965, 124744, 155930, 249488, 311860, 623720, 1247440]

約数ペア:

[(1, 1247440), (2, 623720), (4, 311860), (5, 249488), (8, 155930), (10, 124744), (16, 77965), (20, 62372), (31, 40240), (40, 31186), (62, 20120), (80, 15593), (124, 10060), (155, 8048), (248, 5030), (310, 4024), (496, 2515), (503, 2480), (620, 2012), (1006, 1240)]