78068140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 89582420

約数列:

[1, 2, 4, 5, 10, 20, 83, 131, 166, 262, 332, 359, 415, 524, 655, 718, 830, 1310, 1436, 1660, 1795, 2620, 3590, 7180, 10873, 21746, 29797, 43492, 47029, 54365, 59594, 94058, 108730, 119188, 148985, 188116, 217460, 235145, 297970, 470290, 595940, 940580, 3903407, 7806814, 15613628, 19517035, 39034070, 78068140]

約数ペア:

[(1, 78068140), (2, 39034070), (4, 19517035), (5, 15613628), (10, 7806814), (20, 3903407), (83, 940580), (131, 595940), (166, 470290), (262, 297970), (332, 235145), (359, 217460), (415, 188116), (524, 148985), (655, 119188), (718, 108730), (830, 94058), (1310, 59594), (1436, 54365), (1660, 47029), (1795, 43492), (2620, 29797), (3590, 21746), (7180, 10873)]