2142175120

素因数分解:

$2^4\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{9601}}^1$

素因数の和:12403

約数の個数: 40

約数和(自身を含む): 4982861880

約数和(自身を除く): 2840686760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2789, 5578, 9601, 11156, 13945, 19202, 22312, 27890, 38404, 44624, 48005, 55780, 76808, 96010, 111560, 153616, 192020, 223120, 384040, 768080, 26777189, 53554378, 107108756, 133885945, 214217512, 267771890, 428435024, 535543780, 1071087560, 2142175120]

約数ペア:

[(1, 2142175120), (2, 1071087560), (4, 535543780), (5, 428435024), (8, 267771890), (10, 214217512), (16, 133885945), (20, 107108756), (40, 53554378), (80, 26777189), (2789, 768080), (5578, 384040), (9601, 223120), (11156, 192020), (13945, 153616), (19202, 111560), (22312, 96010), (27890, 76808), (38404, 55780), (44624, 48005)]