2912603920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{887989}}^1$

素因数の和:888043

約数の個数: 40

約数和(自身を含む): 6936977880

約数和(自身を除く): 4024373960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 887989, 1775978, 3551956, 4439945, 7103912, 8879890, 14207824, 17759780, 35519560, 36407549, 71039120, 72815098, 145630196, 182037745, 291260392, 364075490, 582520784, 728150980, 1456301960, 2912603920]

約数ペア:

[(1, 2912603920), (2, 1456301960), (4, 728150980), (5, 582520784), (8, 364075490), (10, 291260392), (16, 182037745), (20, 145630196), (40, 72815098), (41, 71039120), (80, 36407549), (82, 35519560), (164, 17759780), (205, 14207824), (328, 8879890), (410, 7103912), (656, 4439945), (820, 3551956), (1640, 1775978), (3280, 887989)]