2681900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2063}}^1$

素因数の和:2090

約数の個数: 36

約数和(自身を含む): 6270432

約数和(自身を除く): 3588532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 2063, 4126, 8252, 10315, 20630, 26819, 41260, 51575, 53638, 103150, 107276, 134095, 206300, 268190, 536380, 670475, 1340950, 2681900]

約数ペア:

[(1, 2681900), (2, 1340950), (4, 670475), (5, 536380), (10, 268190), (13, 206300), (20, 134095), (25, 107276), (26, 103150), (50, 53638), (52, 51575), (65, 41260), (100, 26819), (130, 20630), (260, 10315), (325, 8252), (650, 4126), (1300, 2063)]