901254920

素因数分解:

$2^3\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{17239}}^1$

素因数の和:18557

約数の個数: 32

約数和(自身を含む): 2029492800

約数和(自身を除く): 1128237880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1307, 2614, 5228, 6535, 10456, 13070, 17239, 26140, 34478, 52280, 68956, 86195, 137912, 172390, 344780, 689560, 22531373, 45062746, 90125492, 112656865, 180250984, 225313730, 450627460, 901254920]

約数ペア:

[(1, 901254920), (2, 450627460), (4, 225313730), (5, 180250984), (8, 112656865), (10, 90125492), (20, 45062746), (40, 22531373), (1307, 689560), (2614, 344780), (5228, 172390), (6535, 137912), (10456, 86195), (13070, 68956), (17239, 52280), (26140, 34478)]