19605200

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2172

約数の個数: 60

約数和(自身を含む): 49172448

約数和(自身を除く): 29567248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2131, 2300, 4262, 4600, 8524, 9200, 10655, 17048, 21310, 34096, 42620, 49013, 53275, 85240, 98026, 106550, 170480, 196052, 213100, 245065, 392104, 426200, 490130, 784208, 852400, 980260, 1225325, 1960520, 2450650, 3921040, 4901300, 9802600, 19605200]

約数ペア:

[(1, 19605200), (2, 9802600), (4, 4901300), (5, 3921040), (8, 2450650), (10, 1960520), (16, 1225325), (20, 980260), (23, 852400), (25, 784208), (40, 490130), (46, 426200), (50, 392104), (80, 245065), (92, 213100), (100, 196052), (115, 170480), (184, 106550), (200, 98026), (230, 85240), (368, 53275), (400, 49013), (460, 42620), (575, 34096), (920, 21310), (1150, 17048), (1840, 10655), (2131, 9200), (2300, 8524), (4262, 4600)]