77495240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{19973}}^1$

素因数の和:20081

約数の個数: 32

約数和(自身を含む): 176170680

約数和(自身を除く): 98675440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 19973, 39946, 79892, 99865, 159784, 199730, 399460, 798920, 1937381, 3874762, 7749524, 9686905, 15499048, 19373810, 38747620, 77495240]

約数ペア:

[(1, 77495240), (2, 38747620), (4, 19373810), (5, 15499048), (8, 9686905), (10, 7749524), (20, 3874762), (40, 1937381), (97, 798920), (194, 399460), (388, 199730), (485, 159784), (776, 99865), (970, 79892), (1940, 39946), (3880, 19973)]