853642960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{821}}^1$

素因数の和:1192

約数の個数: 80

約数和(自身を含む): 2042025552

約数和(自身を除く): 1188382592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 317, 328, 410, 634, 656, 820, 821, 1268, 1585, 1640, 1642, 2536, 3170, 3280, 3284, 4105, 5072, 6340, 6568, 8210, 12680, 12997, 13136, 16420, 25360, 25994, 32840, 33661, 51988, 64985, 65680, 67322, 103976, 129970, 134644, 168305, 207952, 259940, 260257, 269288, 336610, 519880, 520514, 538576, 673220, 1039760, 1041028, 1301285, 1346440, 2082056, 2602570, 2692880, 4164112, 5205140, 10410280, 10670537, 20820560, 21341074, 42682148, 53352685, 85364296, 106705370, 170728592, 213410740, 426821480, 853642960]

約数ペア:

[(1, 853642960), (2, 426821480), (4, 213410740), (5, 170728592), (8, 106705370), (10, 85364296), (16, 53352685), (20, 42682148), (40, 21341074), (41, 20820560), (80, 10670537), (82, 10410280), (164, 5205140), (205, 4164112), (317, 2692880), (328, 2602570), (410, 2082056), (634, 1346440), (656, 1301285), (820, 1041028), (821, 1039760), (1268, 673220), (1585, 538576), (1640, 520514), (1642, 519880), (2536, 336610), (3170, 269288), (3280, 260257), (3284, 259940), (4105, 207952), (5072, 168305), (6340, 134644), (6568, 129970), (8210, 103976), (12680, 67322), (12997, 65680), (13136, 64985), (16420, 51988), (25360, 33661), (25994, 32840)]