20122050050

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{32531}}^1$

素因数の和:32771

約数の個数: 48

約数和(自身を含む): 38120997600

約数和(自身を除く): 17998947550

約数列:

[1, 2, 5, 10, 25, 50, 89, 139, 178, 278, 445, 695, 890, 1390, 2225, 3475, 4450, 6950, 12371, 24742, 32531, 61855, 65062, 123710, 162655, 309275, 325310, 618550, 813275, 1626550, 2895259, 4521809, 5790518, 9043618, 14476295, 22609045, 28952590, 45218090, 72381475, 113045225, 144762950, 226090450, 402441001, 804882002, 2012205005, 4024410010, 10061025025, 20122050050]

約数ペア:

[(1, 20122050050), (2, 10061025025), (5, 4024410010), (10, 2012205005), (25, 804882002), (50, 402441001), (89, 226090450), (139, 144762950), (178, 113045225), (278, 72381475), (445, 45218090), (695, 28952590), (890, 22609045), (1390, 14476295), (2225, 9043618), (3475, 5790518), (4450, 4521809), (6950, 2895259), (12371, 1626550), (24742, 813275), (32531, 618550), (61855, 325310), (65062, 309275), (123710, 162655)]