40220406

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 90378288

約数和(自身を除く): 50157882

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 131, 222, 262, 333, 393, 461, 666, 786, 922, 1179, 1383, 2358, 2766, 4149, 4847, 8298, 9694, 14541, 17057, 29082, 34114, 43623, 51171, 60391, 87246, 102342, 120782, 153513, 181173, 307026, 362346, 543519, 1087038, 2234467, 4468934, 6703401, 13406802, 20110203, 40220406]

約数ペア:

[(1, 40220406), (2, 20110203), (3, 13406802), (6, 6703401), (9, 4468934), (18, 2234467), (37, 1087038), (74, 543519), (111, 362346), (131, 307026), (222, 181173), (262, 153513), (333, 120782), (393, 102342), (461, 87246), (666, 60391), (786, 51171), (922, 43623), (1179, 34114), (1383, 29082), (2358, 17057), (2766, 14541), (4149, 9694), (4847, 8298)]