79711580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1453}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 181249824

約数和(自身を除く): 101538244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 1453, 2110, 2743, 2906, 4220, 5486, 5812, 7265, 10972, 13715, 14530, 18889, 27430, 29060, 37778, 54860, 75556, 94445, 188890, 306583, 377780, 613166, 1226332, 1532915, 3065830, 3985579, 6131660, 7971158, 15942316, 19927895, 39855790, 79711580]

約数ペア:

[(1, 79711580), (2, 39855790), (4, 19927895), (5, 15942316), (10, 7971158), (13, 6131660), (20, 3985579), (26, 3065830), (52, 1532915), (65, 1226332), (130, 613166), (211, 377780), (260, 306583), (422, 188890), (844, 94445), (1055, 75556), (1453, 54860), (2110, 37778), (2743, 29060), (2906, 27430), (4220, 18889), (5486, 14530), (5812, 13715), (7265, 10972)]