7965140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 17902080

約数和(自身を除く): 9936940

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 443, 580, 620, 886, 899, 1772, 1798, 2215, 3596, 4430, 4495, 8860, 8990, 12847, 13733, 17980, 25694, 27466, 51388, 54932, 64235, 68665, 128470, 137330, 256940, 274660, 398257, 796514, 1593028, 1991285, 3982570, 7965140]

約数ペア:

[(1, 7965140), (2, 3982570), (4, 1991285), (5, 1593028), (10, 796514), (20, 398257), (29, 274660), (31, 256940), (58, 137330), (62, 128470), (116, 68665), (124, 64235), (145, 54932), (155, 51388), (290, 27466), (310, 25694), (443, 17980), (580, 13733), (620, 12847), (886, 8990), (899, 8860), (1772, 4495), (1798, 4430), (2215, 3596)]