8965640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 21384000

約数和(自身を除く): 12418360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 59, 116, 118, 131, 145, 232, 236, 262, 290, 295, 472, 524, 580, 590, 655, 1048, 1160, 1180, 1310, 1711, 2360, 2620, 3422, 3799, 5240, 6844, 7598, 7729, 8555, 13688, 15196, 15458, 17110, 18995, 30392, 30916, 34220, 37990, 38645, 61832, 68440, 75980, 77290, 151960, 154580, 224141, 309160, 448282, 896564, 1120705, 1793128, 2241410, 4482820, 8965640]

約数ペア:

[(1, 8965640), (2, 4482820), (4, 2241410), (5, 1793128), (8, 1120705), (10, 896564), (20, 448282), (29, 309160), (40, 224141), (58, 154580), (59, 151960), (116, 77290), (118, 75980), (131, 68440), (145, 61832), (232, 38645), (236, 37990), (262, 34220), (290, 30916), (295, 30392), (472, 18995), (524, 17110), (580, 15458), (590, 15196), (655, 13688), (1048, 8555), (1160, 7729), (1180, 7598), (1310, 6844), (1711, 5240), (2360, 3799), (2620, 3422)]