80422220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{443}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 175664160

約数和(自身を除く): 95241940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 313, 443, 580, 626, 886, 1252, 1565, 1772, 2215, 3130, 4430, 6260, 8860, 9077, 12847, 18154, 25694, 36308, 45385, 51388, 64235, 90770, 128470, 138659, 181540, 256940, 277318, 554636, 693295, 1386590, 2773180, 4021111, 8042222, 16084444, 20105555, 40211110, 80422220]

約数ペア:

[(1, 80422220), (2, 40211110), (4, 20105555), (5, 16084444), (10, 8042222), (20, 4021111), (29, 2773180), (58, 1386590), (116, 693295), (145, 554636), (290, 277318), (313, 256940), (443, 181540), (580, 138659), (626, 128470), (886, 90770), (1252, 64235), (1565, 51388), (1772, 45385), (2215, 36308), (3130, 25694), (4430, 18154), (6260, 12847), (8860, 9077)]