800987680

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{74719}}^1$

素因数の和:74801

約数の個数: 48

約数和(自身を含む): 1920602880

約数和(自身を除く): 1119615200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 10720, 74719, 149438, 298876, 373595, 597752, 747190, 1195504, 1494380, 2391008, 2988760, 5006173, 5977520, 10012346, 11955040, 20024692, 25030865, 40049384, 50061730, 80098768, 100123460, 160197536, 200246920, 400493840, 800987680]

約数ペア:

[(1, 800987680), (2, 400493840), (4, 200246920), (5, 160197536), (8, 100123460), (10, 80098768), (16, 50061730), (20, 40049384), (32, 25030865), (40, 20024692), (67, 11955040), (80, 10012346), (134, 5977520), (160, 5006173), (268, 2988760), (335, 2391008), (536, 1494380), (670, 1195504), (1072, 747190), (1340, 597752), (2144, 373595), (2680, 298876), (5360, 149438), (10720, 74719)]