2130320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:903

約数の個数: 40

約数和(自身を含む): 5118720

約数和(自身を除く): 2988400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 859, 1240, 1718, 2480, 3436, 4295, 6872, 8590, 13744, 17180, 26629, 34360, 53258, 68720, 106516, 133145, 213032, 266290, 426064, 532580, 1065160, 2130320]

約数ペア:

[(1, 2130320), (2, 1065160), (4, 532580), (5, 426064), (8, 266290), (10, 213032), (16, 133145), (20, 106516), (31, 68720), (40, 53258), (62, 34360), (80, 26629), (124, 17180), (155, 13744), (248, 8590), (310, 6872), (496, 4295), (620, 3436), (859, 2480), (1240, 1718)]