55581140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 121465344

約数和(自身を除く): 65884204

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 571, 620, 628, 785, 1142, 1570, 2284, 2855, 3140, 4867, 5710, 9734, 11420, 17701, 19468, 24335, 35402, 48670, 70804, 88505, 89647, 97340, 177010, 179294, 354020, 358588, 448235, 896470, 1792940, 2779057, 5558114, 11116228, 13895285, 27790570, 55581140]

約数ペア:

[(1, 55581140), (2, 27790570), (4, 13895285), (5, 11116228), (10, 5558114), (20, 2779057), (31, 1792940), (62, 896470), (124, 448235), (155, 358588), (157, 354020), (310, 179294), (314, 177010), (571, 97340), (620, 89647), (628, 88505), (785, 70804), (1142, 48670), (1570, 35402), (2284, 24335), (2855, 19468), (3140, 17701), (4867, 11420), (5710, 9734)]