64184900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 151839240

約数和(自身を除く): 87654340

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 194, 260, 325, 388, 485, 509, 650, 970, 1018, 1261, 1300, 1940, 2036, 2425, 2522, 2545, 4850, 5044, 5090, 6305, 6617, 9700, 10180, 12610, 12725, 13234, 25220, 25450, 26468, 31525, 33085, 49373, 50900, 63050, 66170, 98746, 126100, 132340, 165425, 197492, 246865, 330850, 493730, 641849, 661700, 987460, 1234325, 1283698, 2468650, 2567396, 3209245, 4937300, 6418490, 12836980, 16046225, 32092450, 64184900]

約数ペア:

[(1, 64184900), (2, 32092450), (4, 16046225), (5, 12836980), (10, 6418490), (13, 4937300), (20, 3209245), (25, 2567396), (26, 2468650), (50, 1283698), (52, 1234325), (65, 987460), (97, 661700), (100, 641849), (130, 493730), (194, 330850), (260, 246865), (325, 197492), (388, 165425), (485, 132340), (509, 126100), (650, 98746), (970, 66170), (1018, 63050), (1261, 50900), (1300, 49373), (1940, 33085), (2036, 31525), (2425, 26468), (2522, 25450), (2545, 25220), (4850, 13234), (5044, 12725), (5090, 12610), (6305, 10180), (6617, 9700)]