80919830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{1297}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 154763136

約数和(自身を除く): 73843306

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 367, 734, 1297, 1835, 2594, 3670, 6239, 6485, 12478, 12970, 22049, 31195, 44098, 62390, 110245, 220490, 475999, 951998, 2379995, 4759990, 8091983, 16183966, 40459915, 80919830]

約数ペア:

[(1, 80919830), (2, 40459915), (5, 16183966), (10, 8091983), (17, 4759990), (34, 2379995), (85, 951998), (170, 475999), (367, 220490), (734, 110245), (1297, 62390), (1835, 44098), (2594, 31195), (3670, 22049), (6239, 12970), (6485, 12478)]