26466760

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1999}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 59760000

約数和(自身を除く): 33293240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 1999, 2648, 3310, 3998, 6620, 7996, 9995, 13240, 15992, 19990, 39980, 79960, 661669, 1323338, 2646676, 3308345, 5293352, 6616690, 13233380, 26466760]

約数ペア:

[(1, 26466760), (2, 13233380), (4, 6616690), (5, 5293352), (8, 3308345), (10, 2646676), (20, 1323338), (40, 661669), (331, 79960), (662, 39980), (1324, 19990), (1655, 15992), (1999, 13240), (2648, 9995), (3310, 7996), (3998, 6620)]