90838480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3929}}^1$

素因数の和:3976

約数の個数: 60

約数和(自身を含む): 224410860

約数和(自身を除く): 133572380

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 3929, 4624, 5780, 7858, 11560, 15716, 19645, 23120, 31432, 39290, 62864, 66793, 78580, 133586, 157160, 267172, 314320, 333965, 534344, 667930, 1068688, 1135481, 1335860, 2270962, 2671720, 4541924, 5343440, 5677405, 9083848, 11354810, 18167696, 22709620, 45419240, 90838480]

約数ペア:

[(1, 90838480), (2, 45419240), (4, 22709620), (5, 18167696), (8, 11354810), (10, 9083848), (16, 5677405), (17, 5343440), (20, 4541924), (34, 2671720), (40, 2270962), (68, 1335860), (80, 1135481), (85, 1068688), (136, 667930), (170, 534344), (272, 333965), (289, 314320), (340, 267172), (578, 157160), (680, 133586), (1156, 78580), (1360, 66793), (1445, 62864), (2312, 39290), (2890, 31432), (3929, 23120), (4624, 19645), (5780, 15716), (7858, 11560)]