203779880

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{7459}}^1$

素因数の和:8153

約数の個数: 32

約数和(自身を含む): 459237600

約数和(自身を除く): 255457720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 5464, 6830, 7459, 13660, 14918, 27320, 29836, 37295, 59672, 74590, 149180, 298360, 5094497, 10188994, 20377988, 25472485, 40755976, 50944970, 101889940, 203779880]

約数ペア:

[(1, 203779880), (2, 101889940), (4, 50944970), (5, 40755976), (8, 25472485), (10, 20377988), (20, 10188994), (40, 5094497), (683, 298360), (1366, 149180), (2732, 74590), (3415, 59672), (5464, 37295), (6830, 29836), (7459, 27320), (13660, 14918)]