20366976320

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1\times {\mathrm{2293}}^1$

素因数の和:3028

約数の個数: 112

約数和(自身を含む): 49776845328

約数和(自身を除く): 29409869008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 677, 820, 1312, 1354, 1640, 2293, 2624, 2708, 3280, 3385, 4586, 5416, 6560, 6770, 9172, 10832, 11465, 13120, 13540, 18344, 21664, 22930, 27080, 27757, 36688, 43328, 45860, 54160, 55514, 73376, 91720, 94013, 108320, 111028, 138785, 146752, 183440, 188026, 216640, 222056, 277570, 366880, 376052, 444112, 470065, 555140, 733760, 752104, 888224, 940130, 1110280, 1504208, 1552361, 1776448, 1880260, 2220560, 3008416, 3104722, 3760520, 4441120, 6016832, 6209444, 7521040, 7761805, 8882240, 12418888, 15042080, 15523610, 24837776, 30084160, 31047220, 49675552, 62094440, 63646801, 99351104, 124188880, 127293602, 248377760, 254587204, 318234005, 496755520, 509174408, 636468010, 1018348816, 1272936020, 2036697632, 2545872040, 4073395264, 5091744080, 10183488160, 20366976320]

約数ペア:

[(1, 20366976320), (2, 10183488160), (4, 5091744080), (5, 4073395264), (8, 2545872040), (10, 2036697632), (16, 1272936020), (20, 1018348816), (32, 636468010), (40, 509174408), (41, 496755520), (64, 318234005), (80, 254587204), (82, 248377760), (160, 127293602), (164, 124188880), (205, 99351104), (320, 63646801), (328, 62094440), (410, 49675552), (656, 31047220), (677, 30084160), (820, 24837776), (1312, 15523610), (1354, 15042080), (1640, 12418888), (2293, 8882240), (2624, 7761805), (2708, 7521040), (3280, 6209444), (3385, 6016832), (4586, 4441120), (5416, 3760520), (6560, 3104722), (6770, 3008416), (9172, 2220560), (10832, 1880260), (11465, 1776448), (13120, 1552361), (13540, 1504208), (18344, 1110280), (21664, 940130), (22930, 888224), (27080, 752104), (27757, 733760), (36688, 555140), (43328, 470065), (45860, 444112), (54160, 376052), (55514, 366880), (73376, 277570), (91720, 222056), (94013, 216640), (108320, 188026), (111028, 183440), (138785, 146752)]