88129280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2273

約数の個数: 72

約数和(自身を含む): 218004864

約数和(自身を除く): 129875584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2221, 2480, 3968, 4442, 4960, 7936, 8884, 9920, 11105, 17768, 19840, 22210, 35536, 39680, 44420, 68851, 71072, 88840, 137702, 142144, 177680, 275404, 284288, 344255, 355360, 550808, 568576, 688510, 710720, 1101616, 1377020, 1421440, 2203232, 2754040, 2842880, 4406464, 5508080, 8812928, 11016160, 17625856, 22032320, 44064640, 88129280]

約数ペア:

[(1, 88129280), (2, 44064640), (4, 22032320), (5, 17625856), (8, 11016160), (10, 8812928), (16, 5508080), (20, 4406464), (31, 2842880), (32, 2754040), (40, 2203232), (62, 1421440), (64, 1377020), (80, 1101616), (124, 710720), (128, 688510), (155, 568576), (160, 550808), (248, 355360), (256, 344255), (310, 284288), (320, 275404), (496, 177680), (620, 142144), (640, 137702), (992, 88840), (1240, 71072), (1280, 68851), (1984, 44420), (2221, 39680), (2480, 35536), (3968, 22210), (4442, 19840), (4960, 17768), (7936, 11105), (8884, 9920)]