920168320

素因数分解:

$2^7\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2243}}^1$

素因数の和:2903

約数の個数: 64

約数和(自身を含む): 2204191440

約数和(自身を除く): 1284023120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 641, 1282, 2243, 2564, 3205, 4486, 5128, 6410, 8972, 10256, 11215, 12820, 17944, 20512, 22430, 25640, 35888, 41024, 44860, 51280, 71776, 82048, 89720, 102560, 143552, 179440, 205120, 287104, 358880, 410240, 717760, 1435520, 1437763, 2875526, 5751052, 7188815, 11502104, 14377630, 23004208, 28755260, 46008416, 57510520, 92016832, 115021040, 184033664, 230042080, 460084160, 920168320]

約数ペア:

[(1, 920168320), (2, 460084160), (4, 230042080), (5, 184033664), (8, 115021040), (10, 92016832), (16, 57510520), (20, 46008416), (32, 28755260), (40, 23004208), (64, 14377630), (80, 11502104), (128, 7188815), (160, 5751052), (320, 2875526), (640, 1437763), (641, 1435520), (1282, 717760), (2243, 410240), (2564, 358880), (3205, 287104), (4486, 205120), (5128, 179440), (6410, 143552), (8972, 102560), (10256, 89720), (11215, 82048), (12820, 71776), (17944, 51280), (20512, 44860), (22430, 41024), (25640, 35888)]