89891240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 215732160

約数和(自身を除く): 125840920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 811, 815, 1304, 1622, 1630, 2771, 3244, 3260, 4055, 5542, 6488, 6520, 8110, 11084, 13787, 13855, 16220, 22168, 27574, 27710, 32440, 55148, 55420, 68935, 110296, 110840, 132193, 137870, 264386, 275740, 528772, 551480, 660965, 1057544, 1321930, 2247281, 2643860, 4494562, 5287720, 8989124, 11236405, 17978248, 22472810, 44945620, 89891240]

約数ペア:

[(1, 89891240), (2, 44945620), (4, 22472810), (5, 17978248), (8, 11236405), (10, 8989124), (17, 5287720), (20, 4494562), (34, 2643860), (40, 2247281), (68, 1321930), (85, 1057544), (136, 660965), (163, 551480), (170, 528772), (326, 275740), (340, 264386), (652, 137870), (680, 132193), (811, 110840), (815, 110296), (1304, 68935), (1622, 55420), (1630, 55148), (2771, 32440), (3244, 27710), (3260, 27574), (4055, 22168), (5542, 16220), (6488, 13855), (6520, 13787), (8110, 11084)]