408052506875

素因数分解:

$5^4\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{39827}}^1$

素因数の和:39970

約数の個数: 60

約数和(自身を含む): 557849049912

約数和(自身を除く): 149796543037

約数列:

[1, 5, 13, 25, 65, 97, 125, 169, 325, 485, 625, 845, 1261, 1625, 2425, 4225, 6305, 8125, 12125, 16393, 21125, 31525, 39827, 60625, 81965, 105625, 157625, 199135, 409825, 517751, 788125, 995675, 2049125, 2588755, 3863219, 4978375, 6730763, 10245625, 12943775, 19316095, 24891875, 33653815, 50221847, 64718875, 96580475, 168269075, 251109235, 323594375, 482902375, 652884011, 841345375, 1255546175, 2414511875, 3264420055, 4206726875, 6277730875, 16322100275, 31388654375, 81610501375, 408052506875]

約数ペア:

[(1, 408052506875), (5, 81610501375), (13, 31388654375), (25, 16322100275), (65, 6277730875), (97, 4206726875), (125, 3264420055), (169, 2414511875), (325, 1255546175), (485, 841345375), (625, 652884011), (845, 482902375), (1261, 323594375), (1625, 251109235), (2425, 168269075), (4225, 96580475), (6305, 64718875), (8125, 50221847), (12125, 33653815), (16393, 24891875), (21125, 19316095), (31525, 12943775), (39827, 10245625), (60625, 6730763), (81965, 4978375), (105625, 3863219), (157625, 2588755), (199135, 2049125), (409825, 995675), (517751, 788125)]