16768520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13523}}^1$

素因数の和:13565

約数の個数: 32

約数和(自身を含む): 38949120

約数和(自身を除く): 22180600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13523, 27046, 54092, 67615, 108184, 135230, 270460, 419213, 540920, 838426, 1676852, 2096065, 3353704, 4192130, 8384260, 16768520]

約数ペア:

[(1, 16768520), (2, 8384260), (4, 4192130), (5, 3353704), (8, 2096065), (10, 1676852), (20, 838426), (31, 540920), (40, 419213), (62, 270460), (124, 135230), (155, 108184), (248, 67615), (310, 54092), (620, 27046), (1240, 13523)]