66408260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1877}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 146709360

約数和(自身を除く): 80301100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 1877, 3538, 3754, 7076, 7508, 8845, 9385, 17690, 18770, 35380, 37540, 54433, 108866, 114497, 217732, 228994, 272165, 457988, 544330, 572485, 1088660, 1144970, 2289940, 3320413, 6640826, 13281652, 16602065, 33204130, 66408260]

約数ペア:

[(1, 66408260), (2, 33204130), (4, 16602065), (5, 13281652), (10, 6640826), (20, 3320413), (29, 2289940), (58, 1144970), (61, 1088660), (116, 572485), (122, 544330), (145, 457988), (244, 272165), (290, 228994), (305, 217732), (580, 114497), (610, 108866), (1220, 54433), (1769, 37540), (1877, 35380), (3538, 18770), (3754, 17690), (7076, 9385), (7508, 8845)]