16532920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 39168000

約数和(自身を除く): 22635080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 199, 248, 268, 310, 335, 398, 536, 620, 670, 796, 995, 1240, 1340, 1592, 1990, 2077, 2680, 3980, 4154, 6169, 7960, 8308, 10385, 12338, 13333, 16616, 20770, 24676, 26666, 30845, 41540, 49352, 53332, 61690, 66665, 83080, 106664, 123380, 133330, 246760, 266660, 413323, 533320, 826646, 1653292, 2066615, 3306584, 4133230, 8266460, 16532920]

約数ペア:

[(1, 16532920), (2, 8266460), (4, 4133230), (5, 3306584), (8, 2066615), (10, 1653292), (20, 826646), (31, 533320), (40, 413323), (62, 266660), (67, 246760), (124, 133330), (134, 123380), (155, 106664), (199, 83080), (248, 66665), (268, 61690), (310, 53332), (335, 49352), (398, 41540), (536, 30845), (620, 26666), (670, 24676), (796, 20770), (995, 16616), (1240, 13333), (1340, 12338), (1592, 10385), (1990, 8308), (2077, 7960), (2680, 6169), (3980, 4154)]