125280920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 295280640

約数和(自身を除く): 169999720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 1240, 1420, 1423, 2201, 2840, 2846, 4402, 5692, 7115, 8804, 11005, 11384, 14230, 17608, 22010, 28460, 44020, 44113, 56920, 88040, 88226, 101033, 176452, 202066, 220565, 352904, 404132, 441130, 505165, 808264, 882260, 1010330, 1764520, 2020660, 3132023, 4041320, 6264046, 12528092, 15660115, 25056184, 31320230, 62640460, 125280920]

約数ペア:

[(1, 125280920), (2, 62640460), (4, 31320230), (5, 25056184), (8, 15660115), (10, 12528092), (20, 6264046), (31, 4041320), (40, 3132023), (62, 2020660), (71, 1764520), (124, 1010330), (142, 882260), (155, 808264), (248, 505165), (284, 441130), (310, 404132), (355, 352904), (568, 220565), (620, 202066), (710, 176452), (1240, 101033), (1420, 88226), (1423, 88040), (2201, 56920), (2840, 44113), (2846, 44020), (4402, 28460), (5692, 22010), (7115, 17608), (8804, 14230), (11005, 11384)]