45681920

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 110927880

約数和(自身を除く): 65245960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 401, 445, 640, 712, 802, 890, 1280, 1424, 1604, 1780, 2005, 2848, 3208, 3560, 4010, 5696, 6416, 7120, 8020, 11392, 12832, 14240, 16040, 22784, 25664, 28480, 32080, 35689, 51328, 56960, 64160, 71378, 102656, 113920, 128320, 142756, 178445, 256640, 285512, 356890, 513280, 571024, 713780, 1142048, 1427560, 2284096, 2855120, 4568192, 5710240, 9136384, 11420480, 22840960, 45681920]

約数ペア:

[(1, 45681920), (2, 22840960), (4, 11420480), (5, 9136384), (8, 5710240), (10, 4568192), (16, 2855120), (20, 2284096), (32, 1427560), (40, 1142048), (64, 713780), (80, 571024), (89, 513280), (128, 356890), (160, 285512), (178, 256640), (256, 178445), (320, 142756), (356, 128320), (401, 113920), (445, 102656), (640, 71378), (712, 64160), (802, 56960), (890, 51328), (1280, 35689), (1424, 32080), (1604, 28480), (1780, 25664), (2005, 22784), (2848, 16040), (3208, 14240), (3560, 12832), (4010, 11392), (5696, 8020), (6416, 7120)]