260533520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3739}}^1$

素因数の和:3832

約数の個数: 80

約数和(自身を含む): 662249280

約数和(自身を除く): 401715760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 2680, 3484, 3739, 4355, 5360, 6968, 7478, 8710, 13936, 14956, 17420, 18695, 29912, 34840, 37390, 48607, 59824, 69680, 74780, 97214, 149560, 194428, 243035, 250513, 299120, 388856, 486070, 501026, 777712, 972140, 1002052, 1252565, 1944280, 2004104, 2505130, 3256669, 3888560, 4008208, 5010260, 6513338, 10020520, 13026676, 16283345, 20041040, 26053352, 32566690, 52106704, 65133380, 130266760, 260533520]

約数ペア:

[(1, 260533520), (2, 130266760), (4, 65133380), (5, 52106704), (8, 32566690), (10, 26053352), (13, 20041040), (16, 16283345), (20, 13026676), (26, 10020520), (40, 6513338), (52, 5010260), (65, 4008208), (67, 3888560), (80, 3256669), (104, 2505130), (130, 2004104), (134, 1944280), (208, 1252565), (260, 1002052), (268, 972140), (335, 777712), (520, 501026), (536, 486070), (670, 388856), (871, 299120), (1040, 250513), (1072, 243035), (1340, 194428), (1742, 149560), (2680, 97214), (3484, 74780), (3739, 69680), (4355, 59824), (5360, 48607), (6968, 37390), (7478, 34840), (8710, 29912), (13936, 18695), (14956, 17420)]