64620760

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2027}}^1$

素因数の和:2835

約数の個数: 32

約数和(自身を含む): 145650960

約数和(自身を除く): 81030200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 2027, 3188, 3985, 4054, 6376, 7970, 8108, 10135, 15940, 16216, 20270, 31880, 40540, 81080, 1615519, 3231038, 6462076, 8077595, 12924152, 16155190, 32310380, 64620760]

約数ペア:

[(1, 64620760), (2, 32310380), (4, 16155190), (5, 12924152), (8, 8077595), (10, 6462076), (20, 3231038), (40, 1615519), (797, 81080), (1594, 40540), (2027, 31880), (3188, 20270), (3985, 16216), (4054, 15940), (6376, 10135), (7970, 8108)]