56284280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6367}}^1$

素因数の和:6408

約数の個数: 64

約数和(自身を含む): 144426240

約数和(自身を除く): 88141960

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 6367, 8840, 12734, 25468, 31835, 50936, 63670, 82771, 108239, 127340, 165542, 216478, 254680, 331084, 413855, 432956, 541195, 662168, 827710, 865912, 1082390, 1407107, 1655420, 2164780, 2814214, 3310840, 4329560, 5628428, 7035535, 11256856, 14071070, 28142140, 56284280]

約数ペア:

[(1, 56284280), (2, 28142140), (4, 14071070), (5, 11256856), (8, 7035535), (10, 5628428), (13, 4329560), (17, 3310840), (20, 2814214), (26, 2164780), (34, 1655420), (40, 1407107), (52, 1082390), (65, 865912), (68, 827710), (85, 662168), (104, 541195), (130, 432956), (136, 413855), (170, 331084), (221, 254680), (260, 216478), (340, 165542), (442, 127340), (520, 108239), (680, 82771), (884, 63670), (1105, 50936), (1768, 31835), (2210, 25468), (4420, 12734), (6367, 8840)]