1038805840

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{13103}}^1$

素因数の和:14107

約数の個数: 40

約数和(自身を含む): 2417845248

約数和(自身を除く): 1379039408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1982, 3964, 4955, 7928, 9910, 13103, 15856, 19820, 26206, 39640, 52412, 65515, 79280, 104824, 131030, 209648, 262060, 524120, 1048240, 12985073, 25970146, 51940292, 64925365, 103880584, 129850730, 207761168, 259701460, 519402920, 1038805840]

約数ペア:

[(1, 1038805840), (2, 519402920), (4, 259701460), (5, 207761168), (8, 129850730), (10, 103880584), (16, 64925365), (20, 51940292), (40, 25970146), (80, 12985073), (991, 1048240), (1982, 524120), (3964, 262060), (4955, 209648), (7928, 131030), (9910, 104824), (13103, 79280), (15856, 65515), (19820, 52412), (26206, 39640)]