7999940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 18733680

約数和(自身を除く): 10733740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1061, 1508, 1885, 2122, 3770, 4244, 5305, 7540, 10610, 13793, 21220, 27586, 30769, 55172, 61538, 68965, 123076, 137930, 153845, 275860, 307690, 399997, 615380, 799994, 1599988, 1999985, 3999970, 7999940]

約数ペア:

[(1, 7999940), (2, 3999970), (4, 1999985), (5, 1599988), (10, 799994), (13, 615380), (20, 399997), (26, 307690), (29, 275860), (52, 153845), (58, 137930), (65, 123076), (116, 68965), (130, 61538), (145, 55172), (260, 30769), (290, 27586), (377, 21220), (580, 13793), (754, 10610), (1061, 7540), (1508, 5305), (1885, 4244), (2122, 3770)]