77802625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 113218560

約数和(自身を除く): 35415935

約数列:

[1, 5, 17, 19, 25, 41, 47, 85, 95, 125, 205, 235, 323, 425, 475, 697, 779, 799, 893, 1025, 1175, 1615, 1927, 2125, 2375, 3485, 3895, 3995, 4465, 5125, 5875, 8075, 9635, 13243, 15181, 17425, 19475, 19975, 22325, 32759, 36613, 40375, 48175, 66215, 75905, 87125, 97375, 99875, 111625, 163795, 183065, 240875, 331075, 379525, 622421, 818975, 915325, 1655375, 1897625, 3112105, 4094875, 4576625, 15560525, 77802625]

約数ペア:

[(1, 77802625), (5, 15560525), (17, 4576625), (19, 4094875), (25, 3112105), (41, 1897625), (47, 1655375), (85, 915325), (95, 818975), (125, 622421), (205, 379525), (235, 331075), (323, 240875), (425, 183065), (475, 163795), (697, 111625), (779, 99875), (799, 97375), (893, 87125), (1025, 75905), (1175, 66215), (1615, 48175), (1927, 40375), (2125, 36613), (2375, 32759), (3485, 22325), (3895, 19975), (3995, 19475), (4465, 17425), (5125, 15181), (5875, 13243), (8075, 9635)]