15739940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 34836480

約数和(自身を除く): 19096540

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 479, 530, 620, 958, 1060, 1643, 1916, 2395, 3286, 4790, 6572, 8215, 9580, 14849, 16430, 25387, 29698, 32860, 50774, 59396, 74245, 101548, 126935, 148490, 253870, 296980, 507740, 786997, 1573994, 3147988, 3934985, 7869970, 15739940]

約数ペア:

[(1, 15739940), (2, 7869970), (4, 3934985), (5, 3147988), (10, 1573994), (20, 786997), (31, 507740), (53, 296980), (62, 253870), (106, 148490), (124, 126935), (155, 101548), (212, 74245), (265, 59396), (310, 50774), (479, 32860), (530, 29698), (620, 25387), (958, 16430), (1060, 14849), (1643, 9580), (1916, 8215), (2395, 6572), (3286, 4790)]