71928520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{26839}}^1$

素因数の和:26917

約数の個数: 32

約数和(自身を含む): 164260800

約数和(自身を除く): 92332280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 26839, 53678, 107356, 134195, 214712, 268390, 536780, 1073560, 1798213, 3596426, 7192852, 8991065, 14385704, 17982130, 35964260, 71928520]

約数ペア:

[(1, 71928520), (2, 35964260), (4, 17982130), (5, 14385704), (8, 8991065), (10, 7192852), (20, 3596426), (40, 1798213), (67, 1073560), (134, 536780), (268, 268390), (335, 214712), (536, 134195), (670, 107356), (1340, 53678), (2680, 26839)]