78112040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1410

約数の個数: 64

約数和(自身を含む): 187488000

約数和(自身を除く): 109375960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1301, 1501, 1580, 2602, 3002, 3160, 5204, 6004, 6505, 7505, 10408, 12008, 13010, 15010, 24719, 26020, 30020, 49438, 52040, 60040, 98876, 102779, 123595, 197752, 205558, 247190, 411116, 494380, 513895, 822232, 988760, 1027790, 1952801, 2055580, 3905602, 4111160, 7811204, 9764005, 15622408, 19528010, 39056020, 78112040]

約数ペア:

[(1, 78112040), (2, 39056020), (4, 19528010), (5, 15622408), (8, 9764005), (10, 7811204), (19, 4111160), (20, 3905602), (38, 2055580), (40, 1952801), (76, 1027790), (79, 988760), (95, 822232), (152, 513895), (158, 494380), (190, 411116), (316, 247190), (380, 205558), (395, 197752), (632, 123595), (760, 102779), (790, 98876), (1301, 60040), (1501, 52040), (1580, 49438), (2602, 30020), (3002, 26020), (3160, 24719), (5204, 15010), (6004, 13010), (6505, 12008), (7505, 10408)]