5321420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 12216288

約数和(自身を除く): 6894868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 211, 260, 388, 422, 485, 844, 970, 1055, 1261, 1940, 2110, 2522, 2743, 4220, 5044, 5486, 6305, 10972, 12610, 13715, 20467, 25220, 27430, 40934, 54860, 81868, 102335, 204670, 266071, 409340, 532142, 1064284, 1330355, 2660710, 5321420]

約数ペア:

[(1, 5321420), (2, 2660710), (4, 1330355), (5, 1064284), (10, 532142), (13, 409340), (20, 266071), (26, 204670), (52, 102335), (65, 81868), (97, 54860), (130, 40934), (194, 27430), (211, 25220), (260, 20467), (388, 13715), (422, 12610), (485, 10972), (844, 6305), (970, 5486), (1055, 5044), (1261, 4220), (1940, 2743), (2110, 2522)]