20136436400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{637229}}^1$

素因数の和:637326

約数の個数: 60

約数和(自身を含む): 48990242400

約数和(自身を除く): 28853806000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 3160, 3950, 6320, 7900, 15800, 31600, 637229, 1274458, 2548916, 3186145, 5097832, 6372290, 10195664, 12744580, 15930725, 25489160, 31861450, 50341091, 50978320, 63722900, 100682182, 127445800, 201364364, 251705455, 254891600, 402728728, 503410910, 805457456, 1006821820, 1258527275, 2013643640, 2517054550, 4027287280, 5034109100, 10068218200, 20136436400]

約数ペア:

[(1, 20136436400), (2, 10068218200), (4, 5034109100), (5, 4027287280), (8, 2517054550), (10, 2013643640), (16, 1258527275), (20, 1006821820), (25, 805457456), (40, 503410910), (50, 402728728), (79, 254891600), (80, 251705455), (100, 201364364), (158, 127445800), (200, 100682182), (316, 63722900), (395, 50978320), (400, 50341091), (632, 31861450), (790, 25489160), (1264, 15930725), (1580, 12744580), (1975, 10195664), (3160, 6372290), (3950, 5097832), (6320, 3186145), (7900, 2548916), (15800, 1274458), (31600, 637229)]