19908800

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:586

約数の個数: 84

約数和(自身を含む): 51212496

約数和(自身を除く): 31303696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 160, 184, 200, 230, 320, 368, 400, 460, 541, 575, 736, 800, 920, 1082, 1150, 1472, 1600, 1840, 2164, 2300, 2705, 3680, 4328, 4600, 5410, 7360, 8656, 9200, 10820, 12443, 13525, 17312, 18400, 21640, 24886, 27050, 34624, 36800, 43280, 49772, 54100, 62215, 86560, 99544, 108200, 124430, 173120, 199088, 216400, 248860, 311075, 398176, 432800, 497720, 622150, 796352, 865600, 995440, 1244300, 1990880, 2488600, 3981760, 4977200, 9954400, 19908800]

約数ペア:

[(1, 19908800), (2, 9954400), (4, 4977200), (5, 3981760), (8, 2488600), (10, 1990880), (16, 1244300), (20, 995440), (23, 865600), (25, 796352), (32, 622150), (40, 497720), (46, 432800), (50, 398176), (64, 311075), (80, 248860), (92, 216400), (100, 199088), (115, 173120), (160, 124430), (184, 108200), (200, 99544), (230, 86560), (320, 62215), (368, 54100), (400, 49772), (460, 43280), (541, 36800), (575, 34624), (736, 27050), (800, 24886), (920, 21640), (1082, 18400), (1150, 17312), (1472, 13525), (1600, 12443), (1840, 10820), (2164, 9200), (2300, 8656), (2705, 7360), (3680, 5410), (4328, 4600)]