51035140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10331}}^1$

素因数の和:10372

約数の個数: 48

約数和(自身を含む): 121504320

約数和(自身を除く): 70469180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 10331, 20662, 41324, 51655, 103310, 134303, 196289, 206620, 268606, 392578, 537212, 671515, 785156, 981445, 1343030, 1962890, 2551757, 2686060, 3925780, 5103514, 10207028, 12758785, 25517570, 51035140]

約数ペア:

[(1, 51035140), (2, 25517570), (4, 12758785), (5, 10207028), (10, 5103514), (13, 3925780), (19, 2686060), (20, 2551757), (26, 1962890), (38, 1343030), (52, 981445), (65, 785156), (76, 671515), (95, 537212), (130, 392578), (190, 268606), (247, 206620), (260, 196289), (380, 134303), (494, 103310), (988, 51655), (1235, 41324), (2470, 20662), (4940, 10331)]