26480450140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1\times {\mathrm{42643}}^1$

素因数の和:43222

約数の個数: 48

約数和(自身を含む): 56632937760

約数和(自身を除く): 30152487620

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 509, 610, 1018, 1220, 2036, 2545, 5090, 10180, 31049, 42643, 62098, 85286, 124196, 155245, 170572, 213215, 310490, 426430, 620980, 852860, 2601223, 5202446, 10404892, 13006115, 21705287, 26012230, 43410574, 52024460, 86821148, 108526435, 217052870, 434105740, 1324022507, 2648045014, 5296090028, 6620112535, 13240225070, 26480450140]

約数ペア:

[(1, 26480450140), (2, 13240225070), (4, 6620112535), (5, 5296090028), (10, 2648045014), (20, 1324022507), (61, 434105740), (122, 217052870), (244, 108526435), (305, 86821148), (509, 52024460), (610, 43410574), (1018, 26012230), (1220, 21705287), (2036, 13006115), (2545, 10404892), (5090, 5202446), (10180, 2601223), (31049, 852860), (42643, 620980), (62098, 426430), (85286, 310490), (124196, 213215), (155245, 170572)]