79135940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1801}}^1$

素因数の和:1849

約数の個数: 48

約数和(自身を含む): 180127920

約数和(自身を除く): 100991980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 1801, 2197, 3380, 3602, 4394, 7204, 8788, 9005, 10985, 18010, 21970, 23413, 36020, 43940, 46826, 93652, 117065, 234130, 304369, 468260, 608738, 1217476, 1521845, 3043690, 3956797, 6087380, 7913594, 15827188, 19783985, 39567970, 79135940]

約数ペア:

[(1, 79135940), (2, 39567970), (4, 19783985), (5, 15827188), (10, 7913594), (13, 6087380), (20, 3956797), (26, 3043690), (52, 1521845), (65, 1217476), (130, 608738), (169, 468260), (260, 304369), (338, 234130), (676, 117065), (845, 93652), (1690, 46826), (1801, 43940), (2197, 36020), (3380, 23413), (3602, 21970), (4394, 18010), (7204, 10985), (8788, 9005)]