8641420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 19232640

約数和(自身を除く): 10591220

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 317, 470, 580, 634, 940, 1268, 1363, 1585, 2726, 3170, 5452, 6340, 6815, 9193, 13630, 14899, 18386, 27260, 29798, 36772, 45965, 59596, 74495, 91930, 148990, 183860, 297980, 432071, 864142, 1728284, 2160355, 4320710, 8641420]

約数ペア:

[(1, 8641420), (2, 4320710), (4, 2160355), (5, 1728284), (10, 864142), (20, 432071), (29, 297980), (47, 183860), (58, 148990), (94, 91930), (116, 74495), (145, 59596), (188, 45965), (235, 36772), (290, 29798), (317, 27260), (470, 18386), (580, 14899), (634, 13630), (940, 9193), (1268, 6815), (1363, 6340), (1585, 5452), (2726, 3170)]