5169760

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 12398400

約数和(自身を除く): 7228640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 409, 632, 790, 818, 1264, 1580, 1636, 2045, 2528, 3160, 3272, 4090, 6320, 6544, 8180, 12640, 13088, 16360, 32311, 32720, 64622, 65440, 129244, 161555, 258488, 323110, 516976, 646220, 1033952, 1292440, 2584880, 5169760]

約数ペア:

[(1, 5169760), (2, 2584880), (4, 1292440), (5, 1033952), (8, 646220), (10, 516976), (16, 323110), (20, 258488), (32, 161555), (40, 129244), (79, 65440), (80, 64622), (158, 32720), (160, 32311), (316, 16360), (395, 13088), (409, 12640), (632, 8180), (790, 6544), (818, 6320), (1264, 4090), (1580, 3272), (1636, 3160), (2045, 2528)]