1644760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3163}}^1$

素因数の和:3187

約数の個数: 32

約数和(自身を含む): 3986640

約数和(自身を除く): 2341880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3163, 6326, 12652, 15815, 25304, 31630, 41119, 63260, 82238, 126520, 164476, 205595, 328952, 411190, 822380, 1644760]

約数ペア:

[(1, 1644760), (2, 822380), (4, 411190), (5, 328952), (8, 205595), (10, 164476), (13, 126520), (20, 82238), (26, 63260), (40, 41119), (52, 31630), (65, 25304), (104, 15815), (130, 12652), (260, 6326), (520, 3163)]