40720480

素因数分解:

$2^5\times 5^1\times {\mathrm{307}}^1\times {\mathrm{829}}^1$

素因数の和:1151

約数の個数: 48

約数和(自身を含む): 96631920

約数和(自身を除く): 55911440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 307, 614, 829, 1228, 1535, 1658, 2456, 3070, 3316, 4145, 4912, 6140, 6632, 8290, 9824, 12280, 13264, 16580, 24560, 26528, 33160, 49120, 66320, 132640, 254503, 509006, 1018012, 1272515, 2036024, 2545030, 4072048, 5090060, 8144096, 10180120, 20360240, 40720480]

約数ペア:

[(1, 40720480), (2, 20360240), (4, 10180120), (5, 8144096), (8, 5090060), (10, 4072048), (16, 2545030), (20, 2036024), (32, 1272515), (40, 1018012), (80, 509006), (160, 254503), (307, 132640), (614, 66320), (829, 49120), (1228, 33160), (1535, 26528), (1658, 24560), (2456, 16580), (3070, 13264), (3316, 12280), (4145, 9824), (4912, 8290), (6140, 6632)]