39845000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 100702140

約数和(自身を除く): 60857140

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 613, 625, 650, 1000, 1226, 1250, 1300, 1625, 2452, 2500, 2600, 3065, 3250, 4904, 5000, 6130, 6500, 7969, 8125, 12260, 13000, 15325, 15938, 16250, 24520, 30650, 31876, 32500, 39845, 61300, 63752, 65000, 76625, 79690, 122600, 153250, 159380, 199225, 306500, 318760, 383125, 398450, 613000, 766250, 796900, 996125, 1532500, 1593800, 1992250, 3065000, 3984500, 4980625, 7969000, 9961250, 19922500, 39845000]

約数ペア:

[(1, 39845000), (2, 19922500), (4, 9961250), (5, 7969000), (8, 4980625), (10, 3984500), (13, 3065000), (20, 1992250), (25, 1593800), (26, 1532500), (40, 996125), (50, 796900), (52, 766250), (65, 613000), (100, 398450), (104, 383125), (125, 318760), (130, 306500), (200, 199225), (250, 159380), (260, 153250), (325, 122600), (500, 79690), (520, 76625), (613, 65000), (625, 63752), (650, 61300), (1000, 39845), (1226, 32500), (1250, 31876), (1300, 30650), (1625, 24520), (2452, 16250), (2500, 15938), (2600, 15325), (3065, 13000), (3250, 12260), (4904, 8125), (5000, 7969), (6130, 6500)]