2021855140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{919}}^1\times {\mathrm{2683}}^1$

素因数の和:3652

約数の個数: 48

約数和(自身を含む): 4355809920

約数和(自身を除く): 2333954780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 919, 1838, 2683, 3676, 4595, 5366, 9190, 10732, 13415, 18380, 26830, 37679, 53660, 75358, 110003, 150716, 188395, 220006, 376790, 440012, 550015, 753580, 1100030, 2200060, 2465677, 4931354, 9862708, 12328385, 24656770, 49313540, 101092757, 202185514, 404371028, 505463785, 1010927570, 2021855140]

約数ペア:

[(1, 2021855140), (2, 1010927570), (4, 505463785), (5, 404371028), (10, 202185514), (20, 101092757), (41, 49313540), (82, 24656770), (164, 12328385), (205, 9862708), (410, 4931354), (820, 2465677), (919, 2200060), (1838, 1100030), (2683, 753580), (3676, 550015), (4595, 440012), (5366, 376790), (9190, 220006), (10732, 188395), (13415, 150716), (18380, 110003), (26830, 75358), (37679, 53660)]