20199858400

素因数分解:

$2^5\times 5^2\times {\mathrm{2957}}^1\times {\mathrm{8539}}^1$

素因数の和:11516

約数の個数: 72

約数和(自身を含む): 49335357960

約数和(自身を除く): 29135499560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 2957, 5914, 8539, 11828, 14785, 17078, 23656, 29570, 34156, 42695, 47312, 59140, 68312, 73925, 85390, 94624, 118280, 136624, 147850, 170780, 213475, 236560, 273248, 295700, 341560, 426950, 473120, 591400, 683120, 853900, 1182800, 1366240, 1707800, 2365600, 3415600, 6831200, 25249823, 50499646, 100999292, 126249115, 201998584, 252498230, 403997168, 504996460, 631245575, 807994336, 1009992920, 1262491150, 2019985840, 2524982300, 4039971680, 5049964600, 10099929200, 20199858400]

約数ペア:

[(1, 20199858400), (2, 10099929200), (4, 5049964600), (5, 4039971680), (8, 2524982300), (10, 2019985840), (16, 1262491150), (20, 1009992920), (25, 807994336), (32, 631245575), (40, 504996460), (50, 403997168), (80, 252498230), (100, 201998584), (160, 126249115), (200, 100999292), (400, 50499646), (800, 25249823), (2957, 6831200), (5914, 3415600), (8539, 2365600), (11828, 1707800), (14785, 1366240), (17078, 1182800), (23656, 853900), (29570, 683120), (34156, 591400), (42695, 473120), (47312, 426950), (59140, 341560), (68312, 295700), (73925, 273248), (85390, 236560), (94624, 213475), (118280, 170780), (136624, 147850)]