38695780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 86688000

約数和(自身を除く): 47992220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1289, 1501, 1580, 2578, 3002, 5156, 6004, 6445, 7505, 12890, 15010, 24491, 25780, 30020, 48982, 97964, 101831, 122455, 203662, 244910, 407324, 489820, 509155, 1018310, 1934789, 2036620, 3869578, 7739156, 9673945, 19347890, 38695780]

約数ペア:

[(1, 38695780), (2, 19347890), (4, 9673945), (5, 7739156), (10, 3869578), (19, 2036620), (20, 1934789), (38, 1018310), (76, 509155), (79, 489820), (95, 407324), (158, 244910), (190, 203662), (316, 122455), (380, 101831), (395, 97964), (790, 48982), (1289, 30020), (1501, 25780), (1580, 24491), (2578, 15010), (3002, 12890), (5156, 7505), (6004, 6445)]