40744720

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2131}}^1$

素因数の和:2383

約数の個数: 40

約数和(自身を含む): 95172480

約数和(自身を除く): 54427760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2131, 2390, 3824, 4262, 4780, 8524, 9560, 10655, 17048, 19120, 21310, 34096, 42620, 85240, 170480, 509309, 1018618, 2037236, 2546545, 4074472, 5093090, 8148944, 10186180, 20372360, 40744720]

約数ペア:

[(1, 40744720), (2, 20372360), (4, 10186180), (5, 8148944), (8, 5093090), (10, 4074472), (16, 2546545), (20, 2037236), (40, 1018618), (80, 509309), (239, 170480), (478, 85240), (956, 42620), (1195, 34096), (1912, 21310), (2131, 19120), (2390, 17048), (3824, 10655), (4262, 9560), (4780, 8524)]