80434840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30013}}^1$

素因数の和:30091

約数の個数: 32

約数和(自身を含む): 183685680

約数和(自身を除く): 103250840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 30013, 60026, 120052, 150065, 240104, 300130, 600260, 1200520, 2010871, 4021742, 8043484, 10054355, 16086968, 20108710, 40217420, 80434840]

約数ペア:

[(1, 80434840), (2, 40217420), (4, 20108710), (5, 16086968), (8, 10054355), (10, 8043484), (20, 4021742), (40, 2010871), (67, 1200520), (134, 600260), (268, 300130), (335, 240104), (536, 150065), (670, 120052), (1340, 60026), (2680, 30013)]