20100555050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4561}}^1\times {\mathrm{4639}}^1$

素因数の和:9231

約数の個数: 48

約数和(自身を含む): 39371884800

約数和(自身を除く): 19271329750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 4561, 4639, 9122, 9278, 22805, 23195, 45610, 46390, 86659, 88141, 114025, 115975, 173318, 176282, 228050, 231950, 433295, 440705, 866590, 881410, 2166475, 2203525, 4332950, 4407050, 21158479, 42316958, 105792395, 211584790, 402011101, 528961975, 804022202, 1057923950, 2010055505, 4020111010, 10050277525, 20100555050]

約数ペア:

[(1, 20100555050), (2, 10050277525), (5, 4020111010), (10, 2010055505), (19, 1057923950), (25, 804022202), (38, 528961975), (50, 402011101), (95, 211584790), (190, 105792395), (475, 42316958), (950, 21158479), (4561, 4407050), (4639, 4332950), (9122, 2203525), (9278, 2166475), (22805, 881410), (23195, 866590), (45610, 440705), (46390, 433295), (86659, 231950), (88141, 228050), (114025, 176282), (115975, 173318)]