89549080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 209537280

約数和(自身を除く): 119988200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 257, 281, 310, 514, 562, 620, 1028, 1124, 1240, 1285, 1405, 2056, 2248, 2570, 2810, 5140, 5620, 7967, 8711, 10280, 11240, 15934, 17422, 31868, 34844, 39835, 43555, 63736, 69688, 72217, 79670, 87110, 144434, 159340, 174220, 288868, 318680, 348440, 361085, 577736, 722170, 1444340, 2238727, 2888680, 4477454, 8954908, 11193635, 17909816, 22387270, 44774540, 89549080]

約数ペア:

[(1, 89549080), (2, 44774540), (4, 22387270), (5, 17909816), (8, 11193635), (10, 8954908), (20, 4477454), (31, 2888680), (40, 2238727), (62, 1444340), (124, 722170), (155, 577736), (248, 361085), (257, 348440), (281, 318680), (310, 288868), (514, 174220), (562, 159340), (620, 144434), (1028, 87110), (1124, 79670), (1240, 72217), (1285, 69688), (1405, 63736), (2056, 43555), (2248, 39835), (2570, 34844), (2810, 31868), (5140, 17422), (5620, 15934), (7967, 11240), (8711, 10280)]