67972840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1951}}^1$

素因数の和:2042

約数の個数: 64

約数和(自身を含む): 167247360

約数和(自身を除く): 99274520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 1951, 2680, 3484, 3902, 4355, 6968, 7804, 8710, 9755, 15608, 17420, 19510, 25363, 34840, 39020, 50726, 78040, 101452, 126815, 130717, 202904, 253630, 261434, 507260, 522868, 653585, 1014520, 1045736, 1307170, 1699321, 2614340, 3398642, 5228680, 6797284, 8496605, 13594568, 16993210, 33986420, 67972840]

約数ペア:

[(1, 67972840), (2, 33986420), (4, 16993210), (5, 13594568), (8, 8496605), (10, 6797284), (13, 5228680), (20, 3398642), (26, 2614340), (40, 1699321), (52, 1307170), (65, 1045736), (67, 1014520), (104, 653585), (130, 522868), (134, 507260), (260, 261434), (268, 253630), (335, 202904), (520, 130717), (536, 126815), (670, 101452), (871, 78040), (1340, 50726), (1742, 39020), (1951, 34840), (2680, 25363), (3484, 19510), (3902, 17420), (4355, 15608), (6968, 9755), (7804, 8710)]