163925840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{967}}^1$

素因数の和:1156

約数の個数: 80

約数和(自身を含む): 413390208

約数和(自身を除く): 249464368

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 208, 260, 326, 520, 652, 815, 967, 1040, 1304, 1630, 1934, 2119, 2608, 3260, 3868, 4238, 4835, 6520, 7736, 8476, 9670, 10595, 12571, 13040, 15472, 16952, 19340, 21190, 25142, 33904, 38680, 42380, 50284, 62855, 77360, 84760, 100568, 125710, 157621, 169520, 201136, 251420, 315242, 502840, 630484, 788105, 1005680, 1260968, 1576210, 2049073, 2521936, 3152420, 4098146, 6304840, 8196292, 10245365, 12609680, 16392584, 20490730, 32785168, 40981460, 81962920, 163925840]

約数ペア:

[(1, 163925840), (2, 81962920), (4, 40981460), (5, 32785168), (8, 20490730), (10, 16392584), (13, 12609680), (16, 10245365), (20, 8196292), (26, 6304840), (40, 4098146), (52, 3152420), (65, 2521936), (80, 2049073), (104, 1576210), (130, 1260968), (163, 1005680), (208, 788105), (260, 630484), (326, 502840), (520, 315242), (652, 251420), (815, 201136), (967, 169520), (1040, 157621), (1304, 125710), (1630, 100568), (1934, 84760), (2119, 77360), (2608, 62855), (3260, 50284), (3868, 42380), (4238, 38680), (4835, 33904), (6520, 25142), (7736, 21190), (8476, 19340), (9670, 16952), (10595, 15472), (12571, 13040)]