31860560

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:516

約数の個数: 80

約数和(自身を含む): 79280640

約数和(自身を除く): 47420080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 443, 464, 496, 580, 620, 886, 899, 1160, 1240, 1772, 1798, 2215, 2320, 2480, 3544, 3596, 4430, 4495, 7088, 7192, 8860, 8990, 12847, 13733, 14384, 17720, 17980, 25694, 27466, 35440, 35960, 51388, 54932, 64235, 68665, 71920, 102776, 109864, 128470, 137330, 205552, 219728, 256940, 274660, 398257, 513880, 549320, 796514, 1027760, 1098640, 1593028, 1991285, 3186056, 3982570, 6372112, 7965140, 15930280, 31860560]

約数ペア:

[(1, 31860560), (2, 15930280), (4, 7965140), (5, 6372112), (8, 3982570), (10, 3186056), (16, 1991285), (20, 1593028), (29, 1098640), (31, 1027760), (40, 796514), (58, 549320), (62, 513880), (80, 398257), (116, 274660), (124, 256940), (145, 219728), (155, 205552), (232, 137330), (248, 128470), (290, 109864), (310, 102776), (443, 71920), (464, 68665), (496, 64235), (580, 54932), (620, 51388), (886, 35960), (899, 35440), (1160, 27466), (1240, 25694), (1772, 17980), (1798, 17720), (2215, 14384), (2320, 13733), (2480, 12847), (3544, 8990), (3596, 8860), (4430, 7192), (4495, 7088)]