27929660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1607}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 64834560

約数和(自身を除く): 36904900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1607, 1738, 3214, 3476, 4345, 6428, 8035, 8690, 16070, 17380, 17677, 32140, 35354, 70708, 88385, 126953, 176770, 253906, 353540, 507812, 634765, 1269530, 1396483, 2539060, 2792966, 5585932, 6982415, 13964830, 27929660]

約数ペア:

[(1, 27929660), (2, 13964830), (4, 6982415), (5, 5585932), (10, 2792966), (11, 2539060), (20, 1396483), (22, 1269530), (44, 634765), (55, 507812), (79, 353540), (110, 253906), (158, 176770), (220, 126953), (316, 88385), (395, 70708), (790, 35354), (869, 32140), (1580, 17677), (1607, 17380), (1738, 16070), (3214, 8690), (3476, 8035), (4345, 6428)]