16464760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31663}}^1$

素因数の和:31687

約数の個数: 32

約数和(自身を含む): 39896640

約数和(自身を除く): 23431880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 31663, 63326, 126652, 158315, 253304, 316630, 411619, 633260, 823238, 1266520, 1646476, 2058095, 3292952, 4116190, 8232380, 16464760]

約数ペア:

[(1, 16464760), (2, 8232380), (4, 4116190), (5, 3292952), (8, 2058095), (10, 1646476), (13, 1266520), (20, 823238), (26, 633260), (40, 411619), (52, 316630), (65, 253304), (104, 158315), (130, 126652), (260, 63326), (520, 31663)]