28801520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1423}}^1$

素因数の和:1470

約数の個数: 80

約数和(自身を含む): 76280832

約数和(自身を除く): 47479312

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1423, 1840, 2024, 2530, 2846, 4048, 5060, 5692, 7115, 10120, 11384, 14230, 15653, 20240, 22768, 28460, 31306, 32729, 56920, 62612, 65458, 78265, 113840, 125224, 130916, 156530, 163645, 250448, 261832, 313060, 327290, 360019, 523664, 626120, 654580, 720038, 1252240, 1309160, 1440076, 1800095, 2618320, 2880152, 3600190, 5760304, 7200380, 14400760, 28801520]

約数ペア:

[(1, 28801520), (2, 14400760), (4, 7200380), (5, 5760304), (8, 3600190), (10, 2880152), (11, 2618320), (16, 1800095), (20, 1440076), (22, 1309160), (23, 1252240), (40, 720038), (44, 654580), (46, 626120), (55, 523664), (80, 360019), (88, 327290), (92, 313060), (110, 261832), (115, 250448), (176, 163645), (184, 156530), (220, 130916), (230, 125224), (253, 113840), (368, 78265), (440, 65458), (460, 62612), (506, 56920), (880, 32729), (920, 31306), (1012, 28460), (1265, 22768), (1423, 20240), (1840, 15653), (2024, 14230), (2530, 11384), (2846, 10120), (4048, 7115), (5060, 5692)]