8266460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 18278400

約数和(自身を除く): 10011940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 199, 268, 310, 335, 398, 620, 670, 796, 995, 1340, 1990, 2077, 3980, 4154, 6169, 8308, 10385, 12338, 13333, 20770, 24676, 26666, 30845, 41540, 53332, 61690, 66665, 123380, 133330, 266660, 413323, 826646, 1653292, 2066615, 4133230, 8266460]

約数ペア:

[(1, 8266460), (2, 4133230), (4, 2066615), (5, 1653292), (10, 826646), (20, 413323), (31, 266660), (62, 133330), (67, 123380), (124, 66665), (134, 61690), (155, 53332), (199, 41540), (268, 30845), (310, 26666), (335, 24676), (398, 20770), (620, 13333), (670, 12338), (796, 10385), (995, 8308), (1340, 6169), (1990, 4154), (2077, 3980)]