20249905880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26644613}}^1$

素因数の和:26644643

約数の個数: 32

約数和(自身を含む): 47960305200

約数和(自身を除く): 27710399320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26644613, 53289226, 106578452, 133223065, 213156904, 266446130, 506247647, 532892260, 1012495294, 1065784520, 2024990588, 2531238235, 4049981176, 5062476470, 10124952940, 20249905880]

約数ペア:

[(1, 20249905880), (2, 10124952940), (4, 5062476470), (5, 4049981176), (8, 2531238235), (10, 2024990588), (19, 1065784520), (20, 1012495294), (38, 532892260), (40, 506247647), (76, 266446130), (95, 213156904), (152, 133223065), (190, 106578452), (380, 53289226), (760, 26644613)]