78184580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{827}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 171097920

約数和(自身を除く): 92913340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 163, 290, 326, 580, 652, 815, 827, 1630, 1654, 3260, 3308, 4135, 4727, 8270, 9454, 16540, 18908, 23635, 23983, 47270, 47966, 94540, 95932, 119915, 134801, 239830, 269602, 479660, 539204, 674005, 1348010, 2696020, 3909229, 7818458, 15636916, 19546145, 39092290, 78184580]

約数ペア:

[(1, 78184580), (2, 39092290), (4, 19546145), (5, 15636916), (10, 7818458), (20, 3909229), (29, 2696020), (58, 1348010), (116, 674005), (145, 539204), (163, 479660), (290, 269602), (326, 239830), (580, 134801), (652, 119915), (815, 95932), (827, 94540), (1630, 47966), (1654, 47270), (3260, 23983), (3308, 23635), (4135, 18908), (4727, 16540), (8270, 9454)]