87752680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 203924160

約数和(自身を除く): 116171480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 163, 172, 215, 313, 326, 344, 430, 626, 652, 815, 860, 1252, 1304, 1565, 1630, 1720, 2504, 3130, 3260, 6260, 6520, 7009, 12520, 13459, 14018, 26918, 28036, 35045, 51019, 53836, 56072, 67295, 70090, 102038, 107672, 134590, 140180, 204076, 255095, 269180, 280360, 408152, 510190, 538360, 1020380, 2040760, 2193817, 4387634, 8775268, 10969085, 17550536, 21938170, 43876340, 87752680]

約数ペア:

[(1, 87752680), (2, 43876340), (4, 21938170), (5, 17550536), (8, 10969085), (10, 8775268), (20, 4387634), (40, 2193817), (43, 2040760), (86, 1020380), (163, 538360), (172, 510190), (215, 408152), (313, 280360), (326, 269180), (344, 255095), (430, 204076), (626, 140180), (652, 134590), (815, 107672), (860, 102038), (1252, 70090), (1304, 67295), (1565, 56072), (1630, 53836), (1720, 51019), (2504, 35045), (3130, 28036), (3260, 26918), (6260, 14018), (6520, 13459), (7009, 12520)]