61611220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4591}}^1$

素因数の和:4672

約数の個数: 48

約数和(自身を含む): 143490816

約数和(自身を除く): 81879596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 4591, 6710, 9182, 13420, 18364, 22955, 45910, 50501, 91820, 101002, 202004, 252505, 280051, 505010, 560102, 1010020, 1120204, 1400255, 2800510, 3080561, 5601020, 6161122, 12322244, 15402805, 30805610, 61611220]

約数ペア:

[(1, 61611220), (2, 30805610), (4, 15402805), (5, 12322244), (10, 6161122), (11, 5601020), (20, 3080561), (22, 2800510), (44, 1400255), (55, 1120204), (61, 1010020), (110, 560102), (122, 505010), (220, 280051), (244, 252505), (305, 202004), (610, 101002), (671, 91820), (1220, 50501), (1342, 45910), (2684, 22955), (3355, 18364), (4591, 13420), (6710, 9182)]