72429680

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13513}}^1$

素因数の和:13593

約数の個数: 40

約数和(自身を含む): 170925072

約数和(自身を除く): 98495392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 13513, 27026, 54052, 67565, 108104, 135130, 216208, 270260, 540520, 905371, 1081040, 1810742, 3621484, 4526855, 7242968, 9053710, 14485936, 18107420, 36214840, 72429680]

約数ペア:

[(1, 72429680), (2, 36214840), (4, 18107420), (5, 14485936), (8, 9053710), (10, 7242968), (16, 4526855), (20, 3621484), (40, 1810742), (67, 1081040), (80, 905371), (134, 540520), (268, 270260), (335, 216208), (536, 135130), (670, 108104), (1072, 67565), (1340, 54052), (2680, 27026), (5360, 13513)]