87555070220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3547}}^1\times {\mathrm{20233}}^1$

素因数の和:23850

約数の個数: 48

約数和(自身を含む): 186941764128

約数和(自身を除く): 99386693908

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3547, 7094, 14188, 17735, 20233, 35470, 40466, 70940, 80932, 101165, 202330, 216367, 404660, 432734, 865468, 1081835, 1234213, 2163670, 2468426, 4327340, 4936852, 6171065, 12342130, 24684260, 71766451, 143532902, 287065804, 358832255, 717664510, 1435329020, 4377753511, 8755507022, 17511014044, 21888767555, 43777535110, 87555070220]

約数ペア:

[(1, 87555070220), (2, 43777535110), (4, 21888767555), (5, 17511014044), (10, 8755507022), (20, 4377753511), (61, 1435329020), (122, 717664510), (244, 358832255), (305, 287065804), (610, 143532902), (1220, 71766451), (3547, 24684260), (7094, 12342130), (14188, 6171065), (17735, 4936852), (20233, 4327340), (35470, 2468426), (40466, 2163670), (70940, 1234213), (80932, 1081835), (101165, 865468), (202330, 432734), (216367, 404660)]