163763840

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^2$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 406187460

約数和(自身を除く): 242423620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 79, 80, 82, 128, 158, 160, 164, 205, 316, 320, 328, 395, 410, 632, 640, 656, 790, 820, 1264, 1312, 1580, 1640, 2528, 2624, 3160, 3239, 3280, 5056, 5248, 6241, 6320, 6478, 6560, 10112, 12482, 12640, 12956, 13120, 16195, 24964, 25280, 25912, 26240, 31205, 32390, 49928, 50560, 51824, 62410, 64780, 99856, 103648, 124820, 129560, 199712, 207296, 249640, 255881, 259120, 399424, 414592, 499280, 511762, 518240, 798848, 998560, 1023524, 1036480, 1279405, 1997120, 2047048, 2072960, 2558810, 3994240, 4094096, 5117620, 8188192, 10235240, 16376384, 20470480, 32752768, 40940960, 81881920, 163763840]

約数ペア:

[(1, 163763840), (2, 81881920), (4, 40940960), (5, 32752768), (8, 20470480), (10, 16376384), (16, 10235240), (20, 8188192), (32, 5117620), (40, 4094096), (41, 3994240), (64, 2558810), (79, 2072960), (80, 2047048), (82, 1997120), (128, 1279405), (158, 1036480), (160, 1023524), (164, 998560), (205, 798848), (316, 518240), (320, 511762), (328, 499280), (395, 414592), (410, 399424), (632, 259120), (640, 255881), (656, 249640), (790, 207296), (820, 199712), (1264, 129560), (1312, 124820), (1580, 103648), (1640, 99856), (2528, 64780), (2624, 62410), (3160, 51824), (3239, 50560), (3280, 49928), (5056, 32390), (5248, 31205), (6241, 26240), (6320, 25912), (6478, 25280), (6560, 24964), (10112, 16195), (12482, 13120), (12640, 12956)]