65836420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{809}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 149551920

約数和(自身を除く): 83715500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 313, 626, 809, 1252, 1565, 1618, 3130, 3236, 4045, 4069, 6260, 8090, 8138, 10517, 16180, 16276, 20345, 21034, 40690, 42068, 52585, 81380, 105170, 210340, 253217, 506434, 1012868, 1266085, 2532170, 3291821, 5064340, 6583642, 13167284, 16459105, 32918210, 65836420]

約数ペア:

[(1, 65836420), (2, 32918210), (4, 16459105), (5, 13167284), (10, 6583642), (13, 5064340), (20, 3291821), (26, 2532170), (52, 1266085), (65, 1012868), (130, 506434), (260, 253217), (313, 210340), (626, 105170), (809, 81380), (1252, 52585), (1565, 42068), (1618, 40690), (3130, 21034), (3236, 20345), (4045, 16276), (4069, 16180), (6260, 10517), (8090, 8138)]