20197859600

素因数分解:

$2^4\times 5^2\times {\mathrm{613}}^1\times {\mathrm{82373}}^1$

素因数の和:83004

約数の個数: 60

約数和(自身を含む): 48605108196

約数和(自身を除く): 28407248596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 613, 1226, 2452, 3065, 4904, 6130, 9808, 12260, 15325, 24520, 30650, 49040, 61300, 82373, 122600, 164746, 245200, 329492, 411865, 658984, 823730, 1317968, 1647460, 2059325, 3294920, 4118650, 6589840, 8237300, 16474600, 32949200, 50494649, 100989298, 201978596, 252473245, 403957192, 504946490, 807914384, 1009892980, 1262366225, 2019785960, 2524732450, 4039571920, 5049464900, 10098929800, 20197859600]

約数ペア:

[(1, 20197859600), (2, 10098929800), (4, 5049464900), (5, 4039571920), (8, 2524732450), (10, 2019785960), (16, 1262366225), (20, 1009892980), (25, 807914384), (40, 504946490), (50, 403957192), (80, 252473245), (100, 201978596), (200, 100989298), (400, 50494649), (613, 32949200), (1226, 16474600), (2452, 8237300), (3065, 6589840), (4904, 4118650), (6130, 3294920), (9808, 2059325), (12260, 1647460), (15325, 1317968), (24520, 823730), (30650, 658984), (49040, 411865), (61300, 329492), (82373, 245200), (122600, 164746)]