28040300

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{6521}}^1$

素因数の和:6578

約数の個数: 36

約数和(自身を含む): 62272056

約数和(自身を除く): 34231756

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 6521, 13042, 26084, 32605, 65210, 130420, 163025, 280403, 326050, 560806, 652100, 1121612, 1402015, 2804030, 5608060, 7010075, 14020150, 28040300]

約数ペア:

[(1, 28040300), (2, 14020150), (4, 7010075), (5, 5608060), (10, 2804030), (20, 1402015), (25, 1121612), (43, 652100), (50, 560806), (86, 326050), (100, 280403), (172, 163025), (215, 130420), (430, 65210), (860, 32605), (1075, 26084), (2150, 13042), (4300, 6521)]