80368400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{28703}}^1$

素因数の和:28728

約数の個数: 60

約数和(自身を含む): 220676352

約数和(自身を除く): 140307952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 28703, 57406, 114812, 143515, 200921, 229624, 287030, 401842, 459248, 574060, 717575, 803684, 1004605, 1148120, 1435150, 1607368, 2009210, 2296240, 2870300, 3214736, 4018420, 5023025, 5740600, 8036840, 10046050, 11481200, 16073680, 20092100, 40184200, 80368400]

約数ペア:

[(1, 80368400), (2, 40184200), (4, 20092100), (5, 16073680), (7, 11481200), (8, 10046050), (10, 8036840), (14, 5740600), (16, 5023025), (20, 4018420), (25, 3214736), (28, 2870300), (35, 2296240), (40, 2009210), (50, 1607368), (56, 1435150), (70, 1148120), (80, 1004605), (100, 803684), (112, 717575), (140, 574060), (175, 459248), (200, 401842), (280, 287030), (350, 229624), (400, 200921), (560, 143515), (700, 114812), (1400, 57406), (2800, 28703)]