50009020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 107805600

約数和(自身を除く): 57796580

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 179, 229, 244, 305, 358, 458, 610, 716, 895, 916, 1145, 1220, 1790, 2290, 3580, 4580, 10919, 13969, 21838, 27938, 40991, 43676, 54595, 55876, 69845, 81982, 109190, 139690, 163964, 204955, 218380, 279380, 409910, 819820, 2500451, 5000902, 10001804, 12502255, 25004510, 50009020]

約数ペア:

[(1, 50009020), (2, 25004510), (4, 12502255), (5, 10001804), (10, 5000902), (20, 2500451), (61, 819820), (122, 409910), (179, 279380), (229, 218380), (244, 204955), (305, 163964), (358, 139690), (458, 109190), (610, 81982), (716, 69845), (895, 55876), (916, 54595), (1145, 43676), (1220, 40991), (1790, 27938), (2290, 21838), (3580, 13969), (4580, 10919)]