85461220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{8017}}^1$

素因数の和:8080

約数の個数: 48

約数和(自身を含む): 198012528

約数和(自身を除く): 112551308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 8017, 10660, 16034, 32068, 40085, 80170, 104221, 160340, 208442, 328697, 416884, 521105, 657394, 1042210, 1314788, 1643485, 2084420, 3286970, 4273061, 6573940, 8546122, 17092244, 21365305, 42730610, 85461220]

約数ペア:

[(1, 85461220), (2, 42730610), (4, 21365305), (5, 17092244), (10, 8546122), (13, 6573940), (20, 4273061), (26, 3286970), (41, 2084420), (52, 1643485), (65, 1314788), (82, 1042210), (130, 657394), (164, 521105), (205, 416884), (260, 328697), (410, 208442), (533, 160340), (820, 104221), (1066, 80170), (2132, 40085), (2665, 32068), (5330, 16034), (8017, 10660)]