28254860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17021}}^1$

素因数の和:17113

約数の個数: 24

約数和(自身を含む): 60053616

約数和(自身を除く): 31798756

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17021, 34042, 68084, 85105, 170210, 340420, 1412743, 2825486, 5650972, 7063715, 14127430, 28254860]

約数ペア:

[(1, 28254860), (2, 14127430), (4, 7063715), (5, 5650972), (10, 2825486), (20, 1412743), (83, 340420), (166, 170210), (332, 85105), (415, 68084), (830, 34042), (1660, 17021)]