64820996500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{19141}}^1$

素因数の和:19694

約数の個数: 96

約数和(自身を含む): 152759591712

約数和(自身を除く): 87938595212

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 521, 650, 1042, 1300, 1625, 2084, 2605, 3250, 5210, 6500, 6773, 10420, 13025, 13546, 19141, 26050, 27092, 33865, 38282, 52100, 65125, 67730, 76564, 95705, 130250, 135460, 169325, 191410, 248833, 260500, 338650, 382820, 478525, 497666, 677300, 846625, 957050, 995332, 1244165, 1693250, 1914100, 2392625, 2488330, 3386500, 4785250, 4976660, 6220825, 9570500, 9972461, 12441650, 19944922, 24883300, 31104125, 39889844, 49862305, 62208250, 99724610, 124416500, 129641993, 199449220, 249311525, 259283986, 498623050, 518567972, 648209965, 997246100, 1246557625, 1296419930, 2493115250, 2592839860, 3241049825, 4986230500, 6482099650, 12964199300, 16205249125, 32410498250, 64820996500]

約数ペア:

[(1, 64820996500), (2, 32410498250), (4, 16205249125), (5, 12964199300), (10, 6482099650), (13, 4986230500), (20, 3241049825), (25, 2592839860), (26, 2493115250), (50, 1296419930), (52, 1246557625), (65, 997246100), (100, 648209965), (125, 518567972), (130, 498623050), (250, 259283986), (260, 249311525), (325, 199449220), (500, 129641993), (521, 124416500), (650, 99724610), (1042, 62208250), (1300, 49862305), (1625, 39889844), (2084, 31104125), (2605, 24883300), (3250, 19944922), (5210, 12441650), (6500, 9972461), (6773, 9570500), (10420, 6220825), (13025, 4976660), (13546, 4785250), (19141, 3386500), (26050, 2488330), (27092, 2392625), (33865, 1914100), (38282, 1693250), (52100, 1244165), (65125, 995332), (67730, 957050), (76564, 846625), (95705, 677300), (130250, 497666), (135460, 478525), (169325, 382820), (191410, 338650), (248833, 260500)]