162788720

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{5231}}^1$

素因数の和:5633

約数の個数: 40

約数和(自身を含む): 379529280

約数和(自身を除く): 216740560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 5231, 6224, 7780, 10462, 15560, 20924, 26155, 31120, 41848, 52310, 83696, 104620, 209240, 418480, 2034859, 4069718, 8139436, 10174295, 16278872, 20348590, 32557744, 40697180, 81394360, 162788720]

約数ペア:

[(1, 162788720), (2, 81394360), (4, 40697180), (5, 32557744), (8, 20348590), (10, 16278872), (16, 10174295), (20, 8139436), (40, 4069718), (80, 2034859), (389, 418480), (778, 209240), (1556, 104620), (1945, 83696), (3112, 52310), (3890, 41848), (5231, 31120), (6224, 26155), (7780, 20924), (10462, 15560)]