91908880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4003}}^1$

素因数の和:4064

約数の個数: 80

約数和(自身を含む): 250233984

約数和(自身を除く): 158325104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4003, 4592, 5740, 8006, 11480, 16012, 20015, 22960, 28021, 32024, 40030, 56042, 64048, 80060, 112084, 140105, 160120, 164123, 224168, 280210, 320240, 328246, 448336, 560420, 656492, 820615, 1120840, 1148861, 1312984, 1641230, 2241680, 2297722, 2625968, 3282460, 4595444, 5744305, 6564920, 9190888, 11488610, 13129840, 18381776, 22977220, 45954440, 91908880]

約数ペア:

[(1, 91908880), (2, 45954440), (4, 22977220), (5, 18381776), (7, 13129840), (8, 11488610), (10, 9190888), (14, 6564920), (16, 5744305), (20, 4595444), (28, 3282460), (35, 2625968), (40, 2297722), (41, 2241680), (56, 1641230), (70, 1312984), (80, 1148861), (82, 1120840), (112, 820615), (140, 656492), (164, 560420), (205, 448336), (280, 328246), (287, 320240), (328, 280210), (410, 224168), (560, 164123), (574, 160120), (656, 140105), (820, 112084), (1148, 80060), (1435, 64048), (1640, 56042), (2296, 40030), (2870, 32024), (3280, 28021), (4003, 22960), (4592, 20015), (5740, 16012), (8006, 11480)]