31342040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:740

約数の個数: 64

約数和(自身を含む): 74844000

約数和(自身を除く): 43501960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 659, 820, 1160, 1189, 1318, 1640, 2378, 2636, 3295, 4756, 5272, 5945, 6590, 9512, 11890, 13180, 19111, 23780, 26360, 27019, 38222, 47560, 54038, 76444, 95555, 108076, 135095, 152888, 191110, 216152, 270190, 382220, 540380, 764440, 783551, 1080760, 1567102, 3134204, 3917755, 6268408, 7835510, 15671020, 31342040]

約数ペア:

[(1, 31342040), (2, 15671020), (4, 7835510), (5, 6268408), (8, 3917755), (10, 3134204), (20, 1567102), (29, 1080760), (40, 783551), (41, 764440), (58, 540380), (82, 382220), (116, 270190), (145, 216152), (164, 191110), (205, 152888), (232, 135095), (290, 108076), (328, 95555), (410, 76444), (580, 54038), (659, 47560), (820, 38222), (1160, 27019), (1189, 26360), (1318, 23780), (1640, 19111), (2378, 13180), (2636, 11890), (3295, 9512), (4756, 6590), (5272, 5945)]