2597680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1741

約数の個数: 40

約数和(自身を含む): 6361200

約数和(自身を除く): 3763520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1709, 3418, 6836, 8545, 13672, 17090, 27344, 32471, 34180, 64942, 68360, 129884, 136720, 162355, 259768, 324710, 519536, 649420, 1298840, 2597680]

約数ペア:

[(1, 2597680), (2, 1298840), (4, 649420), (5, 519536), (8, 324710), (10, 259768), (16, 162355), (19, 136720), (20, 129884), (38, 68360), (40, 64942), (76, 34180), (80, 32471), (95, 27344), (152, 17090), (190, 13672), (304, 8545), (380, 6836), (760, 3418), (1520, 1709)]