2078164840

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{144719}}^1$

素因数の和:145089

約数の個数: 32

約数和(自身を含む): 4688928000

約数和(自身を除く): 2610763160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 7180, 14360, 144719, 289438, 578876, 723595, 1157752, 1447190, 2894380, 5788760, 51954121, 103908242, 207816484, 259770605, 415632968, 519541210, 1039082420, 2078164840]

約数ペア:

[(1, 2078164840), (2, 1039082420), (4, 519541210), (5, 415632968), (8, 259770605), (10, 207816484), (20, 103908242), (40, 51954121), (359, 5788760), (718, 2894380), (1436, 1447190), (1795, 1157752), (2872, 723595), (3590, 578876), (7180, 289438), (14360, 144719)]