51813840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16607}}^1$

素因数の和:16636

約数の個数: 80

約数和(自身を含む): 172988928

約数和(自身を除く): 121175088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 16607, 33214, 49821, 66428, 83035, 99642, 132856, 166070, 199284, 215891, 249105, 265712, 332140, 398568, 431782, 498210, 647673, 664280, 797136, 863564, 996420, 1079455, 1295346, 1328560, 1727128, 1992840, 2158910, 2590692, 3238365, 3454256, 3985680, 4317820, 5181384, 6476730, 8635640, 10362768, 12953460, 17271280, 25906920, 51813840]

約数ペア:

[(1, 51813840), (2, 25906920), (3, 17271280), (4, 12953460), (5, 10362768), (6, 8635640), (8, 6476730), (10, 5181384), (12, 4317820), (13, 3985680), (15, 3454256), (16, 3238365), (20, 2590692), (24, 2158910), (26, 1992840), (30, 1727128), (39, 1328560), (40, 1295346), (48, 1079455), (52, 996420), (60, 863564), (65, 797136), (78, 664280), (80, 647673), (104, 498210), (120, 431782), (130, 398568), (156, 332140), (195, 265712), (208, 249105), (240, 215891), (260, 199284), (312, 166070), (390, 132856), (520, 99642), (624, 83035), (780, 66428), (1040, 49821), (1560, 33214), (3120, 16607)]