87198410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 182286720

約数和(自身を除く): 95088310

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 65, 86, 95, 130, 190, 215, 247, 430, 494, 559, 817, 821, 1118, 1235, 1634, 1642, 2470, 2795, 4085, 4105, 5590, 8170, 8210, 10621, 10673, 15599, 21242, 21346, 31198, 35303, 53105, 53365, 70606, 77995, 106210, 106730, 155990, 176515, 202787, 353030, 405574, 458939, 670757, 917878, 1013935, 1341514, 2027870, 2294695, 3353785, 4589390, 6707570, 8719841, 17439682, 43599205, 87198410]

約数ペア:

[(1, 87198410), (2, 43599205), (5, 17439682), (10, 8719841), (13, 6707570), (19, 4589390), (26, 3353785), (38, 2294695), (43, 2027870), (65, 1341514), (86, 1013935), (95, 917878), (130, 670757), (190, 458939), (215, 405574), (247, 353030), (430, 202787), (494, 176515), (559, 155990), (817, 106730), (821, 106210), (1118, 77995), (1235, 70606), (1634, 53365), (1642, 53105), (2470, 35303), (2795, 31198), (4085, 21346), (4105, 21242), (5590, 15599), (8170, 10673), (8210, 10621)]