15665981140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1\times {\mathrm{6373}}^1$

素因数の和:7852

約数の個数: 48

約数和(自身を含む): 33297521040

約数和(自身を除く): 17631539900

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1381, 1780, 2762, 5524, 6373, 6905, 12746, 13810, 25492, 27620, 31865, 63730, 122909, 127460, 245818, 491636, 567197, 614545, 1134394, 1229090, 2268788, 2458180, 2835985, 5671970, 8801113, 11343940, 17602226, 35204452, 44005565, 88011130, 176022260, 783299057, 1566598114, 3133196228, 3916495285, 7832990570, 15665981140]

約数ペア:

[(1, 15665981140), (2, 7832990570), (4, 3916495285), (5, 3133196228), (10, 1566598114), (20, 783299057), (89, 176022260), (178, 88011130), (356, 44005565), (445, 35204452), (890, 17602226), (1381, 11343940), (1780, 8801113), (2762, 5671970), (5524, 2835985), (6373, 2458180), (6905, 2268788), (12746, 1229090), (13810, 1134394), (25492, 614545), (27620, 567197), (31865, 491636), (63730, 245818), (122909, 127460)]