7156904240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1\times {\mathrm{3989}}^1$

素因数の和:4590

約数の個数: 80

約数和(自身を含む): 17081094240

約数和(自身を除く): 9924190000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 547, 656, 820, 1094, 1640, 2188, 2735, 3280, 3989, 4376, 5470, 7978, 8752, 10940, 15956, 19945, 21880, 22427, 31912, 39890, 43760, 44854, 63824, 79780, 89708, 112135, 159560, 163549, 179416, 224270, 319120, 327098, 358832, 448540, 654196, 817745, 897080, 1308392, 1635490, 1794160, 2181983, 2616784, 3270980, 4363966, 6541960, 8727932, 10909915, 13083920, 17455864, 21819830, 34911728, 43639660, 87279320, 89461303, 174558640, 178922606, 357845212, 447306515, 715690424, 894613030, 1431380848, 1789226060, 3578452120, 7156904240]

約数ペア:

[(1, 7156904240), (2, 3578452120), (4, 1789226060), (5, 1431380848), (8, 894613030), (10, 715690424), (16, 447306515), (20, 357845212), (40, 178922606), (41, 174558640), (80, 89461303), (82, 87279320), (164, 43639660), (205, 34911728), (328, 21819830), (410, 17455864), (547, 13083920), (656, 10909915), (820, 8727932), (1094, 6541960), (1640, 4363966), (2188, 3270980), (2735, 2616784), (3280, 2181983), (3989, 1794160), (4376, 1635490), (5470, 1308392), (7978, 897080), (8752, 817745), (10940, 654196), (15956, 448540), (19945, 358832), (21880, 327098), (22427, 319120), (31912, 224270), (39890, 179416), (43760, 163549), (44854, 159560), (63824, 112135), (79780, 89708)]