32400800

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 72

約数和(自身を含む): 80080812

約数和(自身を除く): 47680012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 400, 401, 404, 505, 800, 802, 808, 1010, 1604, 1616, 2005, 2020, 2525, 3208, 3232, 4010, 4040, 5050, 6416, 8020, 8080, 10025, 10100, 12832, 16040, 16160, 20050, 20200, 32080, 40100, 40400, 40501, 64160, 80200, 80800, 81002, 160400, 162004, 202505, 320800, 324008, 405010, 648016, 810020, 1012525, 1296032, 1620040, 2025050, 3240080, 4050100, 6480160, 8100200, 16200400, 32400800]

約数ペア:

[(1, 32400800), (2, 16200400), (4, 8100200), (5, 6480160), (8, 4050100), (10, 3240080), (16, 2025050), (20, 1620040), (25, 1296032), (32, 1012525), (40, 810020), (50, 648016), (80, 405010), (100, 324008), (101, 320800), (160, 202505), (200, 162004), (202, 160400), (400, 81002), (401, 80800), (404, 80200), (505, 64160), (800, 40501), (802, 40400), (808, 40100), (1010, 32080), (1604, 20200), (1616, 20050), (2005, 16160), (2020, 16040), (2525, 12832), (3208, 10100), (3232, 10025), (4010, 8080), (4040, 8020), (5050, 6416)]