201329960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{387173}}^1$

素因数の和:387197

約数の個数: 32

約数和(自身を含む): 487839240

約数和(自身を除く): 286509280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 387173, 774346, 1548692, 1935865, 3097384, 3871730, 5033249, 7743460, 10066498, 15486920, 20132996, 25166245, 40265992, 50332490, 100664980, 201329960]

約数ペア:

[(1, 201329960), (2, 100664980), (4, 50332490), (5, 40265992), (8, 25166245), (10, 20132996), (13, 15486920), (20, 10066498), (26, 7743460), (40, 5033249), (52, 3871730), (65, 3097384), (104, 1935865), (130, 1548692), (260, 774346), (520, 387173)]