55298420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1248

約数の個数: 48

約数和(自身を含む): 121497600

約数和(自身を除く): 66199180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1129, 1580, 2258, 2449, 4516, 4898, 5645, 9796, 11290, 12245, 22580, 24490, 34999, 48980, 69998, 89191, 139996, 174995, 178382, 349990, 356764, 445955, 699980, 891910, 1783820, 2764921, 5529842, 11059684, 13824605, 27649210, 55298420]

約数ペア:

[(1, 55298420), (2, 27649210), (4, 13824605), (5, 11059684), (10, 5529842), (20, 2764921), (31, 1783820), (62, 891910), (79, 699980), (124, 445955), (155, 356764), (158, 349990), (310, 178382), (316, 174995), (395, 139996), (620, 89191), (790, 69998), (1129, 48980), (1580, 34999), (2258, 24490), (2449, 22580), (4516, 12245), (4898, 11290), (5645, 9796)]