29712880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11981}}^1$

素因数の和:12025

約数の個数: 40

約数和(自身を含む): 71316864

約数和(自身を除く): 41603984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11981, 23962, 47924, 59905, 95848, 119810, 191696, 239620, 371411, 479240, 742822, 958480, 1485644, 1857055, 2971288, 3714110, 5942576, 7428220, 14856440, 29712880]

約数ペア:

[(1, 29712880), (2, 14856440), (4, 7428220), (5, 5942576), (8, 3714110), (10, 2971288), (16, 1857055), (20, 1485644), (31, 958480), (40, 742822), (62, 479240), (80, 371411), (124, 239620), (155, 191696), (248, 119810), (310, 95848), (496, 59905), (620, 47924), (1240, 23962), (2480, 11981)]