2236704880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1\times {\mathrm{647}}^1$

素因数の和:1286

約数の個数: 80

約数和(自身を含む): 5283947520

約数和(自身を除く): 3047242640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 547, 632, 647, 790, 1094, 1264, 1294, 1580, 2188, 2588, 2735, 3160, 3235, 4376, 5176, 5470, 6320, 6470, 8752, 10352, 10940, 12940, 21880, 25880, 43213, 43760, 51113, 51760, 86426, 102226, 172852, 204452, 216065, 255565, 345704, 353909, 408904, 432130, 511130, 691408, 707818, 817808, 864260, 1022260, 1415636, 1728520, 1769545, 2044520, 2831272, 3457040, 3539090, 4089040, 5662544, 7078180, 14156360, 27958811, 28312720, 55917622, 111835244, 139794055, 223670488, 279588110, 447340976, 559176220, 1118352440, 2236704880]

約数ペア:

[(1, 2236704880), (2, 1118352440), (4, 559176220), (5, 447340976), (8, 279588110), (10, 223670488), (16, 139794055), (20, 111835244), (40, 55917622), (79, 28312720), (80, 27958811), (158, 14156360), (316, 7078180), (395, 5662544), (547, 4089040), (632, 3539090), (647, 3457040), (790, 2831272), (1094, 2044520), (1264, 1769545), (1294, 1728520), (1580, 1415636), (2188, 1022260), (2588, 864260), (2735, 817808), (3160, 707818), (3235, 691408), (4376, 511130), (5176, 432130), (5470, 408904), (6320, 353909), (6470, 345704), (8752, 255565), (10352, 216065), (10940, 204452), (12940, 172852), (21880, 102226), (25880, 86426), (43213, 51760), (43760, 51113)]