31651100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 75026448

約数和(自身を除く): 43375348

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 194, 251, 260, 325, 388, 485, 502, 650, 970, 1004, 1255, 1261, 1300, 1940, 2425, 2510, 2522, 3263, 4850, 5020, 5044, 6275, 6305, 6526, 9700, 12550, 12610, 13052, 16315, 24347, 25100, 25220, 31525, 32630, 48694, 63050, 65260, 81575, 97388, 121735, 126100, 163150, 243470, 316511, 326300, 486940, 608675, 633022, 1217350, 1266044, 1582555, 2434700, 3165110, 6330220, 7912775, 15825550, 31651100]

約数ペア:

[(1, 31651100), (2, 15825550), (4, 7912775), (5, 6330220), (10, 3165110), (13, 2434700), (20, 1582555), (25, 1266044), (26, 1217350), (50, 633022), (52, 608675), (65, 486940), (97, 326300), (100, 316511), (130, 243470), (194, 163150), (251, 126100), (260, 121735), (325, 97388), (388, 81575), (485, 65260), (502, 63050), (650, 48694), (970, 32630), (1004, 31525), (1255, 25220), (1261, 25100), (1300, 24347), (1940, 16315), (2425, 13052), (2510, 12610), (2522, 12550), (3263, 9700), (4850, 6526), (5020, 6305), (5044, 6275)]