30620680

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3203}}^1$

素因数の和:3453

約数の個数: 32

約数和(自身を含む): 69206400

約数和(自身を除く): 38585720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 3203, 4780, 6406, 9560, 12812, 16015, 25624, 32030, 64060, 128120, 765517, 1531034, 3062068, 3827585, 6124136, 7655170, 15310340, 30620680]

約数ペア:

[(1, 30620680), (2, 15310340), (4, 7655170), (5, 6124136), (8, 3827585), (10, 3062068), (20, 1531034), (40, 765517), (239, 128120), (478, 64060), (956, 32030), (1195, 25624), (1912, 16015), (2390, 12812), (3203, 9560), (4780, 6406)]