40497470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 81585792

約数和(自身を除く): 41088322

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 773, 806, 845, 1546, 1690, 2015, 3865, 4030, 5239, 7730, 10049, 10478, 20098, 23963, 26195, 47926, 50245, 52390, 100490, 119815, 130637, 239630, 261274, 311519, 623038, 653185, 1306370, 1557595, 3115190, 4049747, 8099494, 20248735, 40497470]

約数ペア:

[(1, 40497470), (2, 20248735), (5, 8099494), (10, 4049747), (13, 3115190), (26, 1557595), (31, 1306370), (62, 653185), (65, 623038), (130, 311519), (155, 261274), (169, 239630), (310, 130637), (338, 119815), (403, 100490), (773, 52390), (806, 50245), (845, 47926), (1546, 26195), (1690, 23963), (2015, 20098), (3865, 10478), (4030, 10049), (5239, 7730)]