20101801100

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{367}}^1\times {\mathrm{5119}}^1$

素因数の和:5607

約数の個数: 72

約数和(自身を含む): 44157173760

約数和(自身を除く): 24055372660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 214, 367, 428, 535, 734, 1070, 1468, 1835, 2140, 2675, 3670, 5119, 5350, 7340, 9175, 10238, 10700, 18350, 20476, 25595, 36700, 39269, 51190, 78538, 102380, 127975, 157076, 196345, 255950, 392690, 511900, 547733, 785380, 981725, 1095466, 1878673, 1963450, 2190932, 2738665, 3757346, 3926900, 5477330, 7514692, 9393365, 10954660, 13693325, 18786730, 27386650, 37573460, 46966825, 54773300, 93933650, 187867300, 201018011, 402036022, 804072044, 1005090055, 2010180110, 4020360220, 5025450275, 10050900550, 20101801100]

約数ペア:

[(1, 20101801100), (2, 10050900550), (4, 5025450275), (5, 4020360220), (10, 2010180110), (20, 1005090055), (25, 804072044), (50, 402036022), (100, 201018011), (107, 187867300), (214, 93933650), (367, 54773300), (428, 46966825), (535, 37573460), (734, 27386650), (1070, 18786730), (1468, 13693325), (1835, 10954660), (2140, 9393365), (2675, 7514692), (3670, 5477330), (5119, 3926900), (5350, 3757346), (7340, 2738665), (9175, 2190932), (10238, 1963450), (10700, 1878673), (18350, 1095466), (20476, 981725), (25595, 785380), (36700, 547733), (39269, 511900), (51190, 392690), (78538, 255950), (102380, 196345), (127975, 157076)]