65409520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 167132160

約数和(自身を除く): 101722640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 239, 311, 440, 478, 622, 880, 956, 1195, 1244, 1555, 1912, 2390, 2488, 2629, 3110, 3421, 3824, 4780, 4976, 5258, 6220, 6842, 9560, 10516, 12440, 13145, 13684, 17105, 19120, 21032, 24880, 26290, 27368, 34210, 42064, 52580, 54736, 68420, 74329, 105160, 136840, 148658, 210320, 273680, 297316, 371645, 594632, 743290, 817619, 1189264, 1486580, 1635238, 2973160, 3270476, 4088095, 5946320, 6540952, 8176190, 13081904, 16352380, 32704760, 65409520]

約数ペア:

[(1, 65409520), (2, 32704760), (4, 16352380), (5, 13081904), (8, 8176190), (10, 6540952), (11, 5946320), (16, 4088095), (20, 3270476), (22, 2973160), (40, 1635238), (44, 1486580), (55, 1189264), (80, 817619), (88, 743290), (110, 594632), (176, 371645), (220, 297316), (239, 273680), (311, 210320), (440, 148658), (478, 136840), (622, 105160), (880, 74329), (956, 68420), (1195, 54736), (1244, 52580), (1555, 42064), (1912, 34210), (2390, 27368), (2488, 26290), (2629, 24880), (3110, 21032), (3421, 19120), (3824, 17105), (4780, 13684), (4976, 13145), (5258, 12440), (6220, 10516), (6842, 9560)]