2813240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 6454080

約数和(自身を除く): 3640840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1327, 2120, 2654, 5308, 6635, 10616, 13270, 26540, 53080, 70331, 140662, 281324, 351655, 562648, 703310, 1406620, 2813240]

約数ペア:

[(1, 2813240), (2, 1406620), (4, 703310), (5, 562648), (8, 351655), (10, 281324), (20, 140662), (40, 70331), (53, 53080), (106, 26540), (212, 13270), (265, 10616), (424, 6635), (530, 5308), (1060, 2654), (1327, 2120)]