16863340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 38666880

約数和(自身を除く): 21803540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 821, 1027, 1580, 1642, 2054, 3284, 4105, 4108, 5135, 8210, 10270, 10673, 16420, 20540, 21346, 42692, 53365, 64859, 106730, 129718, 213460, 259436, 324295, 648590, 843167, 1297180, 1686334, 3372668, 4215835, 8431670, 16863340]

約数ペア:

[(1, 16863340), (2, 8431670), (4, 4215835), (5, 3372668), (10, 1686334), (13, 1297180), (20, 843167), (26, 648590), (52, 324295), (65, 259436), (79, 213460), (130, 129718), (158, 106730), (260, 64859), (316, 53365), (395, 42692), (790, 21346), (821, 20540), (1027, 16420), (1580, 10673), (1642, 10270), (2054, 8210), (3284, 5135), (4105, 4108)]