28158800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 74104632

約数和(自身を除く): 45945832

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 41, 50, 68, 80, 82, 85, 100, 101, 136, 164, 170, 200, 202, 205, 272, 328, 340, 400, 404, 410, 425, 505, 656, 680, 697, 808, 820, 850, 1010, 1025, 1360, 1394, 1616, 1640, 1700, 1717, 2020, 2050, 2525, 2788, 3280, 3400, 3434, 3485, 4040, 4100, 4141, 5050, 5576, 6800, 6868, 6970, 8080, 8200, 8282, 8585, 10100, 11152, 13736, 13940, 16400, 16564, 17170, 17425, 20200, 20705, 27472, 27880, 33128, 34340, 34850, 40400, 41410, 42925, 55760, 66256, 68680, 69700, 70397, 82820, 85850, 103525, 137360, 139400, 140794, 165640, 171700, 207050, 278800, 281588, 331280, 343400, 351985, 414100, 563176, 686800, 703970, 828200, 1126352, 1407940, 1656400, 1759925, 2815880, 3519850, 5631760, 7039700, 14079400, 28158800]

約数ペア:

[(1, 28158800), (2, 14079400), (4, 7039700), (5, 5631760), (8, 3519850), (10, 2815880), (16, 1759925), (17, 1656400), (20, 1407940), (25, 1126352), (34, 828200), (40, 703970), (41, 686800), (50, 563176), (68, 414100), (80, 351985), (82, 343400), (85, 331280), (100, 281588), (101, 278800), (136, 207050), (164, 171700), (170, 165640), (200, 140794), (202, 139400), (205, 137360), (272, 103525), (328, 85850), (340, 82820), (400, 70397), (404, 69700), (410, 68680), (425, 66256), (505, 55760), (656, 42925), (680, 41410), (697, 40400), (808, 34850), (820, 34340), (850, 33128), (1010, 27880), (1025, 27472), (1360, 20705), (1394, 20200), (1616, 17425), (1640, 17170), (1700, 16564), (1717, 16400), (2020, 13940), (2050, 13736), (2525, 11152), (2788, 10100), (3280, 8585), (3400, 8282), (3434, 8200), (3485, 8080), (4040, 6970), (4100, 6868), (4141, 6800), (5050, 5576)]