5218540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 11934720

約数和(自身を除く): 6716180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 443, 589, 620, 886, 1178, 1772, 2215, 2356, 2945, 4430, 5890, 8417, 8860, 11780, 13733, 16834, 27466, 33668, 42085, 54932, 68665, 84170, 137330, 168340, 260927, 274660, 521854, 1043708, 1304635, 2609270, 5218540]

約数ペア:

[(1, 5218540), (2, 2609270), (4, 1304635), (5, 1043708), (10, 521854), (19, 274660), (20, 260927), (31, 168340), (38, 137330), (62, 84170), (76, 68665), (95, 54932), (124, 42085), (155, 33668), (190, 27466), (310, 16834), (380, 13733), (443, 11780), (589, 8860), (620, 8417), (886, 5890), (1178, 4430), (1772, 2945), (2215, 2356)]