16754260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 36997632

約数和(自身を除く): 20243372

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 443, 610, 620, 886, 1220, 1772, 1891, 2215, 3782, 4430, 7564, 8860, 9455, 13733, 18910, 27023, 27466, 37820, 54046, 54932, 68665, 108092, 135115, 137330, 270230, 274660, 540460, 837713, 1675426, 3350852, 4188565, 8377130, 16754260]

約数ペア:

[(1, 16754260), (2, 8377130), (4, 4188565), (5, 3350852), (10, 1675426), (20, 837713), (31, 540460), (61, 274660), (62, 270230), (122, 137330), (124, 135115), (155, 108092), (244, 68665), (305, 54932), (310, 54046), (443, 37820), (610, 27466), (620, 27023), (886, 18910), (1220, 13733), (1772, 9455), (1891, 8860), (2215, 7564), (3782, 4430)]