71570320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28859}}^1$

素因数の和:28903

約数の個数: 40

約数和(自身を含む): 171774720

約数和(自身を除く): 100204400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28859, 57718, 115436, 144295, 230872, 288590, 461744, 577180, 894629, 1154360, 1789258, 2308720, 3578516, 4473145, 7157032, 8946290, 14314064, 17892580, 35785160, 71570320]

約数ペア:

[(1, 71570320), (2, 35785160), (4, 17892580), (5, 14314064), (8, 8946290), (10, 7157032), (16, 4473145), (20, 3578516), (31, 2308720), (40, 1789258), (62, 1154360), (80, 894629), (124, 577180), (155, 461744), (248, 288590), (310, 230872), (496, 144295), (620, 115436), (1240, 57718), (2480, 28859)]